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- Multiple ChoicePlease save your changes before editing any questions.
Which of the following traits of a dog is inherited from its parents?
the presence of fleas in its fur
the color of its fur
the ability to sit up and beg
the habit of barking to go outside
- Multiple ChoicePlease save your changes before editing any questions.
The physical expression of a genetic trait is called a
mutation
genotype
crossing over
phenotype
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The following items are examples of __________.
Items: eye color, hair color, height
homozygous alleles
genotype
heterozygous alleles
phenotype
- Multiple ChoicePlease save your changes before editing any questions.An allele whose trait only shows up when no dominant allele is present.hidden alleledominant allelerecessive allelepresent allele
- Multiple ChoicePlease save your changes before editing any questions.Which of the following genotypes would be considered heterozygous?BBggFfTT
- Multiple ChoicePlease save your changes before editing any questions.Which of the following alleles is homozygous recessive?TtttTTT
- Multiple ChoicePlease save your changes before editing any questions.An allele whose trait always shows up in the organism when the allele is present.recessive alleledominant allelehidden allelepresent allele
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T - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - Multiple ChoicePlease save your changes before editing any questions.B=brown eyes
b= blue eyes
What is true about these two brothers that have brown eyes:
One has genotype BB the other Bb.they have same phenotype and genotypethey have different genotypes and phenotypesthey have same phenotype but different genotypesthey have same genotype but different phenotypes - Multiple ChoicePlease save your changes before editing any questions.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed? (B=brown eyes and b=blue eyes)
0 %
25%
50%
75%
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Objective #5
(B-brown eyes & b-blue eyes)
Cross (Dad)Bb X (Mom)BB.
List the possible genotypes from this cross.
BB, Bb, bb
BB
BB, Bb
bb,Bb
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is a phenotype?BBBbbbBlue eyes
- Multiple ChoicePlease save your changes before editing any questions.What is a phenotypeThe genetic make up (code)The physical trait
- Multiple ChoicePlease save your changes before editing any questions.having two of the same genes for the trait (sometimes called purebred).homozygoushetrozygousproteinchromosome
- Multiple ChoicePlease save your changes before editing any questions.
The passing of genetic traits from parent to offspring is known as
heredity
trait
gene
allele
- Multiple ChoicePlease save your changes before editing any questions.Long tongues (T) are dominant to short tongues in green tree frogs. What is the probability that two frogs that are heterozygous for long tongues could produce offspring with short tongues?100%75%50%25%
- Multiple ChoicePlease save your changes before editing any questions.This is an example of a ______________.phenotypegenotypexenotypebase pairs
- Multiple ChoicePlease save your changes before editing any questions.This is an example of _____________.phenotypeheliotypeDNAgenotype
- Multiple ChoicePlease save your changes before editing any questions.T4 - Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What percentage of the offspring of the cross BbTt x BBtt will have black fur and long tails?0%25%50%100%
- Multiple ChoicePlease save your changes before editing any questions.Mutations are important because they bring aboutdeath of the organism in which they developgenetic variation needed for a population to evolvebenefits for the individual, not for the populationHardey-Weinberg equilibrium within a population
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What is the genotypic ratio from this punnet square?
1:0
3:1
1:1
1:2:1
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A homozygous dominant plant with brown seed pods is crossed with a heterozygous plant with brown seed pods. Does this punnet square correctly show this cross?
YES
NO
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The genotypic ratio for this cross is:
3:1
1:2:1
9:3:3:1
1:0
1:1
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The phenotypic ratio for this cross is:
3:1
1:2:1
9:3:3:1
1:0
1:1
- Multiple ChoicePlease save your changes before editing any questions.
The result of this cross produces genotypic and phenotypic ratios that are the:
SAME
DIFFERENT
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Does this correctly show Mendel's P1 cross?
YES
NO - It should be Gg x Gg
NO - It should be GG x Gg
NO - It should be gg x gg
- Multiple ChoicePlease save your changes before editing any questions.
Does this correctly show Mendel's P2 cross?
YES
NO - It should be GG x gg
NO - It should be GG x GG
NO - It should be gg x gg
- Multiple ChoicePlease save your changes before editing any questions.If T=Tall & t=short, what is the genotypic ratio?1:33:11:2:12:2
- Multiple ChoicePlease save your changes before editing any questions.B = brown fur b = white fur
In the Punnett square, what is the probability for white fur?0%25%50%75% - Multiple ChoicePlease save your changes before editing any questions.In the Punnett square shown, what must the genotype of the missing parent be?BBBbbbTt
- Multiple ChoicePlease save your changes before editing any questions.B - black, b - brown. Two black mice mate and have some black and some brown mice. What is the genotype of the parents?BB x BbBB x bbBb x BbBb x bb
- Multiple ChoicePlease save your changes before editing any questions.What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?0 in 41 in 42 in 44 in 4
- Multiple ChoicePlease save your changes before editing any questions.What are the possible genotypes for this cross?
(Click the picture to see it without the text)TT = 25% Tt= 50% tt=25%all tallTT= 75% tt = 25%Tt = 100% - Multiple ChoicePlease save your changes before editing any questions.B = brown fur b = white fur
In the Punnett square, what is the probability for white fur?0%25%50%75% - Multiple ChoicePlease save your changes before editing any questions.In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?25%0%100%50% - Multiple ChoicePlease save your changes before editing any questions.Purple (P) is dominant to the white (p).
According to the Punnett Square, what is the probability of an offspring being purple?25%0%100%50% - Multiple ChoicePlease save your changes before editing any questions.What is the yellow seed genotype?aaAaAAAA or Aa
- Multiple ChoicePlease save your changes before editing any questions.What is the dominant trait?yellow pea seedsgreen pea seedsthere is no dominant seedJolly green giant
- Multiple ChoicePlease save your changes before editing any questions.What does a Punnett Square do?tell you exactly what your offspring will look likeincrease the chance you pass on recessive traitspredict genotypes and phenotypes in offspringhave no purpose but for Taylor to give us extra assignments
- Multiple ChoicePlease save your changes before editing any questions.What genotype would go in box 2?BBBbbb
- Multiple ChoicePlease save your changes before editing any questions.What genotype would go in box 3?BBBbbb
- Multiple ChoicePlease save your changes before editing any questions.What genotype would go in box 1?BBBbbb
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is homozygous dominant?JjRrMMee
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is homozygous recessive?TtttTTT