# Punnett Squares Question Preview (ID: 61)

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If two heterozygous individuals are mated, what percentage of their offspring will have the dominant phenotype?
a) 100%
b) 75%
c) 50%
d) 25%

A husband and wife are going to have a baby. The husband has type AB blood, and the wife has type O. Which could NOT be the blood type of their child?
a) AB
b) A
c) B
d) All of the above could be the blood type of their child.

Fluffy fur is a dominant trait in guinea pigs. Two fluffy guinea pigs have a non-fluffy offspring. What must be the genotypes of the parents?
a) AA and AA
b) Aa and AA
c) aa and aa
d) Aa and Aa

A heterozygous individual is mated with a homozygous recessive individual. What percentage of their children will be heterozygous?
a) 100%
b) 50%
c) 25%
d) 0%

The probability of a human couple having a male child is:
a) 100%
b) 75%
c) 50%
d) 25%

A normal woman with a colorblind father marries a normal man. What is the probability that her child (who will be a male), will be colorblind?
a) 100%
b) 75%
c) 50%
d) 25%

Hemophilia is a sex-linked trait. What is the probability of a diseased female and a normal male producing a healthy child?
a) 100%
b) 75%
c) 50%
d) 25%

Having more than 5 fingers (Polydactyly) is a dominant trait. What is the probability that two people, each of which have 5 fingers per limb,will have a 6-fingered child?
a) 100%
b) 75%
c) 50%
d) 0%

Cuteness is a dominant trait in bunnies. Two bunnies heterozygous for cuteness have numerous offspring. What percentage of the offspring would be predicted to not be cute?
a) 100%
b) 75%
c) 50%
d) 25%

The genotype of a carrier of a sex-linked disease would be:
a) Diseased
b) Healthy
c) X*Y
d) X*X

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