7th grade Genetics
8 months ago
j_griffin_48480
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23 QuestionsShow answers
  • Question 1
    20 seconds
    Q.

    Which of the following is an example of a genotype

    answer choices

    Blue eyes

    Round seed

    Purple flower

    Pp

  • Question 2
    10 seconds
    Q.

    Recessive traits are hidden when the dominant traits are present.

    answer choices

    True

    False

  • Question 3
    20 seconds
    Q.

    An organisms physical traits are called what?

    answer choices

    Genotype

    Genetic Variation

    Phenotype

    Homozygous

  • Question 4
    20 seconds
    Q.

    Homozygous dominant is an example of what?

    answer choices

    Genotype

    Phenotype

  • Question 5
    20 seconds
    Q.

    Which of the following is an example of a phenotype?

    answer choices

    Blue eyes

    Tt

    Pp

    pp

  • Question 6
    45 seconds
    Q.

    Two heterozygous brown eyed parents have a baby. What is the chance the baby will have blue eyes (recessive)?

    answer choices

    0%

    25%

    50%

    75%

  • Question 7
    30 seconds
    Q.

    A human body (somatic) cell usually has how many chromosomes?

    answer choices

    6

    22

    4

    46

  • Question 8
    60 seconds
    Q. The cells produced via meiosis are called:
    answer choices
    sex cells
    somatic cells
    body cells
    skin cells
  • Question 9
    20 seconds
    Q.

    The genetic make up of an organism is a

    answer choices

    Phenotype

    Genotype

    Xylem

    Homozygous

  • Question 10
    30 seconds
    Q. How are your chromosomes inherited?
    answer choices
    most of your chromosomes from your mother
    most of your chromosomes from your father
    a random number of chromosomes from each parent
    half your chromosomes from your mother and half from your father.
  • Question 11
    300 seconds
    Q. Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
    answer choices
    23, 46
    46, 23
    2, 4
    50, 100
  • Question 12
    30 seconds
    Q.

    Which of the following will only show if two alleles are present?

    answer choices

    a dominant trait

    heterozygous

    a recessive trait

    hybrid

  • Question 13
    180 seconds
    Q. A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
    answer choices
    Incomplete Dominance
    Co dominance
  • Question 14
    30 seconds
    Q. Heterozygous is when...
    answer choices
    the alleles are the same
    the alleles are different
    the alleles are absent
    the alleles are present
  • Question 15
    30 seconds
    Q. In a heterozygous genotype, the ___________ allele takes over in the phenotype.
    answer choices
    recessive
    dominant
    lower case letter
    both 
  • Question 16
    180 seconds
    Q. This is an example of ___________.
    answer choices
     Incomplete Dominance
     Codominance
  • Question 17
    30 seconds
    Q. Which of the following is NOT a genotype?
    answer choices
    heterozygous
    a trait
    Bb
    homozygous recessive
  • Question 18
    180 seconds
    Q. This type of inheritance pattern is a MIXTURE of both traits.
    answer choices
    incomplete dominance
    co-dominance
    complete dominance
  • Question 19
    180 seconds
    Q. Which of the following alleles is homozygous (purebred) recessive?
    answer choices
    Tt
    tt
    TT
    t
  • Question 20
    180 seconds
    Q. Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
    answer choices
    0 %
    25%
    50%
    75%
  • Question 21
    180 seconds
    Q. This type of inheritance pattern shows BOTH traits in possible offspring
    answer choices
    complete dominance
    incomplete dominance
    co-dominance
    dominant pattern
  • Question 22
    900 seconds
    Q. Heredity is the passing of traits from _____________________ to _____________________
    answer choices
    predators to prey
    water to rain
    parents to offspring
    fungi to protists
  • Question 23
    900 seconds
    Q. ___________________________ is the study of how traits are passed on, or inherited.
    answer choices
    dominant traits
    ratio
    phenotype
    genetics
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