Genetics Problems Review for College Prep

Question 1

What is the genotype of someone who is homozygous recessive?

Accepted Answer

aa

Question 2

Probability of two heterozygous parents having a homozygous recessive offspring:

Accepted Answer

25

Question 3

Person with AB blood mated with an O blood person. What % of children will likely be type A?

Accepted Answer

50

Question 4

Woman with hemophilia mates with a healthy man. What percent of sons will have hemophilia?

Accepted Answer

100

Question 5

Straight haired parent and curly haired parent have a wavy haired child. This shows...

Accepted Answer

Incomplete dominance

Question 6

Offspring genotype(s) of a homozygous dominant and homozygous recessive cross:

Accepted Answer

Heterozygous, Bb

Question 7

A straight haired person mates with a wavy haired person. What are the phenotypes of the kids?

Accepted Answer

50% straight, 50% wavy

Question 8

Two spotted cows mate. What phenotypes would be seen in the offspring?

Accepted Answer

Black cows, white cows, and spotted cows

Question 9

Person with AB blood mated with an O blood person. What blood type(s) is impossible for kids?

Accepted Answer

AB and O

Question 10

A white cow and a black cow produce a spotted calf. This shows...

Accepted Answer

Co-dominance

Question 11

Traits like hair color have many shades because they are controlled by many genes. This is...

Accepted Answer

Polygenic Inheritance

Question 12

Probability of two heterozygous parents having offspring showing dominant phenotype:

Accepted Answer

75

Question 13

A BBHH parent is crossed with a bbhh parent. The offspring are all:

Accepted Answer

BbHh

Question 14

What is the genotype of an individual that is heterozygous for blood type B?

Accepted Answer

Bo

Question 15

Genotype of a woman who is a carrier for hemophilia:

Accepted Answer

XHXh

Question 16

Green pods are dominant to yellow. What is/are the possible genotype(s) of a green plant

Accepted Answer

AA, Aa

Questions 16