Traits and Reproduction
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  • Question 1
    300 seconds
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    Q.

    Three tigers have different parents. They all have the same proteins for stripe pattern in their cells. What can you say about the tigers' stripe patterns?

    answer choices

    They will have different stripe patterns because even with the same proteins for stripe pattern, the proteins can connect in different ways.

    They will have the same stripe patterns since their proteins for stripe pattern are the same so the proteins will connect in the same way.

    They will have different stripe patterns since only offspring from the same parents have the same stripe patterns.

    They will have the same stripe patterns since all tigers have the same stripe patterns.

  • Question 2
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    Q.

    Two goldfish have different parents. One fish has a split tail and the other does not. Why do the goldfish have tails with different shapes?

    answer choices

    Each goldfish has a different tail shape because they have different versions of the gene for tail shape that connect together to make different tail shapes.

    Each goldfish has a different tail shape because offspring from different parents will have different tail shapes.

    The goldfish have different versions of the gene for tail shape, which instruct for different proteins that connect in different ways to make different tail shapes.

    The goldfish have different versions of the gene for tail shape. The genes are split inside one goldfish’s tail but not inside the other’s.

  • Question 3
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    Q.

    A young goat has downward-curved horns. Its father has upward-curved horns while its mother has downward-curved horns. Which of these statements explains why the young goat has downward-curved horns?

    answer choices

    The young goat inherited one copy of the gene for horn shape from its mother and one copy from its father. Those genes connect together to make its downward-curved horns.

    The young goat inherited its copies of the gene for horn shape from its mother and not from its father. Just like its mother’s genes, those genes instruct for proteins that connect in ways that make its downward-curved horns.

    The young goat inherited one copy of the gene for horn shape from its mother and one copy from its father. That gene combination instructs for proteins that connect in ways that make downward-curved horns.

    The young goat inherited its copies of the gene for horn shape from its mother and not from its father. Those genes connect together to make its downward-curved horns.

  • Question 4
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    Q.

    Sh’qira reads an article about a family of wildcats. One of them had a mutation for tooth sharpness. Which of these statements about the wildcat with the mutation is true?

    answer choices

    There must have been a change in the wildcat’s genes.

    The wildcat must have sharper teeth.

    The wildcat must have less sharp teeth.

    There will be no change to the wildcat’s teeth.

  • Question 5
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    Q.

    There are two junco birds that each have different proteins in their cells for beak pointiness. They have different parents. What can you say about the birds' beak pointiness?

    answer choices

    They will have the same beak pointiness because even with different proteins for beak pointiness, the proteins can connect in the same way.

    They will have the same beak pointiness since all junco birds have the same beak pointiness.

    They will have different beak pointiness since offspring from different parents will have

    different beak pointiness.

    They will have different beak pointiness since their proteins for beak pointiness are different so the proteins will connect in different ways.

  • Question 6
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    Q.

    Two rabbits live in two different environments. One rabbit has ears that flop over, and the other rabbit has ears that stand straight up. Why do the rabbits have ears with different shapes?

    answer choices

    Each rabbit has a different ear shape because they have different versions of the gene for ear shape that connect together to make different ear shapes.

    The rabbits have different versions of the gene for ear shape, which instruct for different proteins that connect in different ways to make different ear shapes

    Each rabbit has a different ear shape because offspring from different parents will have different ear shapes.

    The rabbits have different versions of the gene for ear shape. The genes are only standing straight up in the cells of one rabbit’s ears.

  • Question 7
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    Q.

    A father sheep has curly wool while a mother sheep has straight wool. Which of these statements explains why one of their baby lambs has curly wool?

    answer choices

    The baby lamb inherited its copies of the gene for wool shape from its father and not from its mother. Just like its father’s genes, those genes instruct for proteins that connect in ways that make its wool curly.

    The baby lamb inherited its copies of the gene for wool shape from its father and not from its mother. Those genes connect together to make its wool curly.

    The baby lamb inherited one copy of the gene for wool shape from its father and one copy from its mother. Those genes connect together to make its curly wool.

    The baby lamb inherited one copy of the gene for wool shape from its father and one copy from its mother. That gene combination instructs for proteins that connect in ways that make curly wool.

  • Question 8
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    Q.

    The body cells of scorpions have proteins that connect together. In one scorpion, the structure of the proteins in the body cells changed, but the amount of that type of protein in the cell stayed the same. What happened to the function of that type of protein?

    answer choices

    The changed protein connects differently, so its function changes.

    The changed protein connects differently, but its function doesn’t change.

    The changed protein connects in the same way, but its function changes.

    The amount of that type of protein stayed the same, so its function doesn’t change

  • Question 9
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    Q.

    Hannah is trying to figure out how tooth size is determined in two different wolves. In wolf 1, the copies of the gene are different from each other. In wolf 2, the copies of the gene are the same as each other. How does this affect how many types of proteins there are in each tooth cell?

    answer choices

    Wolf 1 has two types of protein for the tooth size feature. Wolf 2 has two types of protein for the tooth size feature.

    It is impossible to say anything about proteins from the given information.

    Wolf 1 has two types of protein for the tooth size feature. Wolf 2 has one type of protein for the tooth size feature.

  • Question 10
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    Q.

    There are two bears that both have the same proteins for ear shape in their cells. The bears have different parents. What can you say about the bears' ear shape?

    answer choices

    They will have the same ear shape since all bears have the same ear shape.

    They will have the same ear shape since their proteins for ear shape are the same so the proteins will connect in the same way.

    They will have different ear shapes because even with the same proteins for ear shape, the proteins can connect in different ways.

    They will have different ear shapes since only offspring from the same parents have the same ear shape.

  • Question 11
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    Q.

    Two fruit flies have different parents. One fruit fly has orange eyes while the other has red eyes. Why do the fruit flies have different eye colors?

    answer choices

    Each fruit fly has a different eye color because they have different versions of the gene for eye color that connect together to make different eye colors.

    Each fruit fly has a different eye color because offspring from different parents will have different eye colors.

    The fruit flies have different versions of the gene for eye color, and the genes are different colors in each fruit fly’s eyes.

    The fruit flies have different versions of the gene for eye color, which instruct for different proteins that connect in different ways to make different eye colors.

  • Question 12
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    Q.

    A baby crawfish has a long tail. Its mother has a long tail while its father has a short tail. Which of these statements explains why the baby has a long tail?

    answer choices

    The baby crawfish inherited one copy of the gene for tail length from its mother and one copy from its father. Those genes connect together to make its long tail.

    The baby crawfish inherited one copy of the gene for tail length from its mother and one copy from its father. That gene combination instructs for proteins that connect in ways that make a long tail.

    The baby crawfish inherited its copies of the gene for tail length from its mother and not from its father. Just like its mother’s genes, those genes instruct for proteins that connect in ways that make a long tail.

    The baby crawfish inherited its copies of the gene for tail length from its mother and not from its father. Those genes connect together to make a long tail.

  • Question 13
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    Q.

    Henry is studying a family of tree frogs that have poisonous skin, and he finds one frog with a mutation for the poison feature. Which of these statements about the tree frog with the mutation is true?

    answer choices

    The frog must be less poisonous than other frogs.

    The frog must be more poisonous than other frogs.

    There will be no change to the frog’s poison.

    There must have been a change in the frog’s genes.

  • Question 14
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    Q.

    Two sharks have different parents. The two sharks have different proteins in their cells for the color on the tip of their fins. What can you say about the color on the tip of the two sharks' fins?

    answer choices

    The fins will be different colors since offspring from different parents will have different colored fins.

    The fins will be the same color because even with different proteins for fin color, the proteins can connect in the same way.

    The fins will be a different color since their proteins for fin color are different so the proteins will connect in different ways.

    The fins will be the same color since all sharks have the same fin color.

  • Question 15
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    Q.

    Echidnas hatch from an egg and develop bristles as they mature. Two echidnas have different parents. One has thick bristles while the other has thin bristles. Why do the echidnas have bristles with different thicknesses?

    answer choices

    Each echidna has a different bristle thickness because offspring from different parents will have bristles of different thicknesses.

    The echidnas have different versions of the gene for bristle thickness. The genes are a different thickness in each echidna’s bristles.

    The echidnas have different versions of the gene for bristle thickness, which instruct for different proteins that connect in different ways to make bristles of different thicknesses.

    Each echidna has a different bristle thickness because they have different versions of the gene for bristle thickness that connect together to make different bristle thicknesses.

  • Question 16
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    Q.

    A father parakeet has blue chest feathers while a mother parakeet has green chest feathers. Which of these statements explains why their baby parakeet has blue chest feathers?

    answer choices

    The baby parakeet inherited one copy of the gene for feather color from its father and one copy from its mother. That gene combination instructs for proteins that connect in ways that make its feathers blue.

    The baby parakeet inherited its copies of the gene for feather color from its father and not from its mother. Just like its father’s genes, those genes instruct for proteins that connect in ways that make its feathers blue.

    The baby parakeet inherited one copy of the gene for feather color from its father and one copy from its mother. That gene combination instructs for proteins that connect in ways that make its feathers blue.

    The baby parakeet inherited its copies of the gene for feather color from its father and not from its mother. Those genes connect together to make its feathers blue.

  • Question 17
    300 seconds
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    Q.

    The wing cells of dragonflies have proteins that connect together. In one dragonfly, the structure of the proteins in the wing cells changed, but the amount of that type of protein in the cell stayed the same. What happened to the function of that type of protein?

    answer choices

    The changed protein connects differently, but its function doesn’t change.

    The changed protein connects differently, so its function changes.

    The amount of that type of protein stayed the same, so its function doesn’t change.

    The changed protein connects the same, but its function changes.

  • Question 18
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    Q.

    Brayden is trying to figure out how petal shape is determined in two different roses. In the pink rose, the copies of the gene are the same as each other. In the yellow rose, the copies of the gene are different from each other. How does this affect how many types of proteins there are in each petal cell?

    answer choices

    The pink rose has one type of protein for the petal shape feature. The yellow rose has two types of protein for the petal shape feature.

    The pink rose has two types of protein for the petal shape feature. The yellow rose has two types of protein for the petal shape feature.

    The pink rose has one type of protein for the petal shape feature. The yellow rose has one type of protein for the petal shape feature.

    It is impossible to say anything about proteins from the given information.

  • Question 19
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    Q.

    What is an ALLELE?

    answer choices

    a type of molecule that genes and chromosomes are made of ADN

    an instruction for making a protein molecule

    a specific form of a gene that provides instructions for making a particular protein molecule

    having gene versions that are different

  • Question 20
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    Q.

    What is a CHROMOSOME?

    answer choices

    an instruction for making a protein molecule

    to receive genes from a parent

    a characteristic that all members of a species have

    a long piece of DNA that contains many genes

  • Question 21
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    Q.

    What is DNA?

    answer choices

    to receive genes from a parent

    a type of molecule that genes and chromosomes are made of ADN

    a random change to a gene that sometimes results in a new trait

    the part of a cell where genes are found

  • Question 22
    180 seconds
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    Q.

    What is a FEATURE?

    answer choices

    how something works

    a specific form of a gene that provides instructions for making a particular protein molecule

    to receive genes from a parent

    a characteristic that all members of a species have

  • Question 23
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    Q.

    What is FERTILIZATION?

    answer choices

    a protein molecule that does not perform its function, often because it does not connect to other molecules

    when a male and a female reproductive cell combine to create an offspring

    the part of a cell where genes are found

    the parts of the cell that build protein molecules based on instructions from genes

  • Question 24
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    Q.

    What is FUNCTION?

    answer choices

    having gene versions that are different

    to receive genes from a parent

    how something works

    the parts of the cell that build protein molecules based on instructions from genes

  • Question 25
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    Q.

    What is a GENE?

    answer choices

    having gene versions that are different

    a random change to a gene that sometimes results in a new trait

    an instruction for making a protein molecule

    a specific form of a gene that provides instructions for making a particular protein molecule

  • Question 26
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    Q.

    What is a GENE VERSION?

    answer choices

    a characteristic that all members of a species have

    a random change to a gene that sometimes results in a new trait

    the part of a cell where genes are found

    a specific form of a gene that provides instructions for making a particular protein molecule

  • Question 27
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    Q.

    What does HETEROZYGOUS mean?

    answer choices

    having gene versions that are the same

    a random change to a gene that sometimes results in a new trait

    having gene versions that are different

    an organism produced as a result of reproduction

  • Question 28
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    Q.

    What does HOMOZYGOUS mean?

    answer choices

    having gene versions that are different

    to receive genes from a parent

    the part of a cell where genes are found

    having gene versions that are the same

  • Question 29
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    Q.

    What does INHERIT mean?

    answer choices

    a random change to a gene that sometimes results in a new trait

    having gene versions that are the same

    the part of a cell where genes are found

    to receive genes from a parent

  • Question 30
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    Q.

    What is a MUTATION?

    answer choices

    a protein molecule that does not perform its function, often because it does not connect to other molecules

    a random change to a gene that sometimes results in a new trait

    an organism produced as a result of reproduction

    the parts of the cell that build protein molecules based on instructions from genes

  • Question 31
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    Q.

    What is a NONFUNCTIONAL PROTEIN?

    answer choices

    the part of a cell where genes are found

    the parts of the cell that build protein molecules based on instructions from genes

    a protein molecule that does not perform its function, often because it does not connect to other molecules

    a type of large molecule that performs important functions inside organisms

  • Question 32
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    Q.

    What is the NUCLEUS?

    answer choices

    the part of a cell where genes are found

    an organism produced as a result of reproduction

    the parts of the cell that build protein molecules based on instructions from genes

    the process in which two parents pass on their genes to create offspring

  • Question 33
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    Q.

    What is an OFFSPRING?

    answer choices

    having gene versions that are the same

    the parts of the cell that build protein molecules based on instructions from genes

    an organism produced as a result of reproduction

    the way something is shaped or constructed

  • Question 34
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    Q.

    What is a PROTEIN MOLECULE?

    answer choices

    the parts of the cell that build protein molecules based on instructions from genes

    any difference in traits between individual organisms

    a type of large molecule that performs important functions inside organisms

    the way something is shaped or constructed

  • Question 35
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    Q.

    What are RIBOSOMES?

    answer choices

    the process in which two parents pass on their genes to create offspring

    the part of a cell where genes are found

    the parts of the cell that build protein molecules based on instructions from genes

    a random change to a gene that sometimes results in a new trait

  • Question 36
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    Q.

    What is SEXUAL REPRODUCTION?

    answer choices

    the process in which two parents pass on their genes to create offspring

    a specific characteristic of an individual organism

    the way something is shaped or constructed

    the parts of the cell that build protein molecules based on instructions from genes

  • Question 37
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    Q.

    What is a TRAIT?

    answer choices

    any difference in traits between individual organisms

    a claim supported by evidence

    a specific characteristic of an individual organism

    the parts of the cell that build protein molecules based on instructions from genes

  • Question 38
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    Q.

    What is a VARIATION?

    answer choices

    having gene versions that are different

    the parts of the cell that build protein molecules based on instructions from genes

    any difference in traits between individual organisms

    an instruction for making a protein molecule

  • Question 39
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    Q.

    What is STRUCTURE?

    answer choices

    a specific characteristic of an individual organism

    a claim supported by evidence

    the process of making clear how your evidence supports your claim

    the way something is shaped or constructed

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