Genetics Exit Ticket
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by NEISHA WALKER
| 5 Questions
1
1
In cattle the allele for cloven hooves (H) is dominant over the allele for mule-foot hooves (h).
The phenotype for each trait is shown in this picture.


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What is the probability of cloven hooves in the offspring of parents that are heterozygous for
the trait? Show your punnett square work below.

A) 25%
B) 50%
C) 75%
D) 100%

2
1
In humans blood type is determined by the A, B, and O alleles. The A and B alleles are
codominant to each other and dominant over the O allele. An individual with the AO genotype
and an individual with the BO genotype can produce offspring with which of the following
phenotypes? Show your punnett square work below.
O only
A or B only
A, B, or O only
A, B, AB, or O
3
1

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A
B
C
D
4
1

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F
G
H
J
5
1
If a woman is heterozygous for eye color (Ee) and homozygous recessive for hair color (hh) which option correctly shows possible alleles she will pass on to her offspring?
Ee, EE, Hh, hh
Eh, EH, eh, eH
Ee, Ee, hh, hh
Eh, eh, Eh, eh
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