Quiz about Genetics Test Review

Question 1

heterozygous

Accepted Answer

Bb

Answer

BB

Answer

bb

Question 2

homozygous dominant trait

Accepted Answer

BB

Answer

Bb

Answer

bb

Question 3

homozygous recessive trait

Accepted Answer

bb

Answer

BB

Answer

Bb

Question 4

Brown eyes are dominant to blue eyes. Cross heterozygous brown eyes with homozygous blue eyes.

Accepted Answer

Ee x ee

Answer

Ee x Ee

Answer

EE x ee

Answer

Ee x EE

Question 5

Brown hair is dominant to red hair. Cross homozygous brown hair with homozygous red hair.

Accepted Answer

HH x hh

Answer

Hh x Hh

Answer

HH x He

Answer

Hh x hh

Question 6

Round peas are dominant to wrinkled peas. Cross heterozygous round pea with heterozygous round pea.

Accepted Answer

Rr x Rr

Answer

RR x rr

Answer

Rr x rr

Answer

Rr x RR

Question 7

Codominance

Brown cows and white cows are both dominant. Cross a brown cow with a spotted cow.

Accepted Answer

BB x BW

Answer

BB x WW

Answer

BW x BW

Answer

BB x BB

Question 8

Incomplete Dominance

Red flower are dominant to white flowers. Cross a red flower with a pink flower.

Accepted Answer

RR x Rr

Answer

RR x rr

Answer

Rr x Rr

Answer

Rr x rr

Question 9

Brown eyes are dominant to green eyes. What is the percent chance a child will have green eyes if mom is heterozygous brown eyes and dad is also heterozygous for brown eyes.

Accepted Answer

25%

Answer

0%

Answer

50%

Answer

75%

Answer

100%

Question 10

Blonde hair is dominant to red hair. What is the percent chance a child will have red hair if the mom is heterozygous for blonde hair and dad is homozygous for red hair.

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Answer

100%

Question 11

Tall is dominant to short. What is the chance will be taller than the average height is mom is homozygous short and and dad is homozygous tall?

Accepted Answer

100%

Answer

0%

Answer

25%

Answer

50%

Answer

75%

Question 12

Codominance

A black chicken and white chicken are both dominant. What is the percent chance a baby chick will be spotted if the dad is a solid black chicken and the mom is a spotted chicken?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Answer

100%

Question 13

Incomplete Dominance

A red flower is dominant to an orange flower. What percentage chance will the new flowers be orange if one female flower is orange and the male flower is orange?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Answer

100%

Question 14

What type of blood will a baby have if mom is type AB and dad is homozygous for B blood?

Accepted Answer

Type AB or type B

Answer

Only type AB

Answer

Only type B

Answer

Type A or type B

Question 15

What type of blood will a baby have if mom is type O and dad is heterozygous for type A blood?

Accepted Answer

type O or type A

Answer

only type O

Answer

type A or type AB

Answer

only type A

Question 16

What type of blood can a baby have if mom is heterozygous type B and dad is heterozygous type A?

Accepted Answer

all blood types

Answer

only type O

Answer

type AB and O

Answer

type A or type B

Question 17

There are ___ males and ___ females in the pedigree shown.

Accepted Answer

8; 8

Answer

10; 5

Answer

4; 8

Answer

7; 6

Question 18

How many marriages are shown in the pedigree?

Accepted Answer

5

Answer

4

Answer

2

Answer

1

Question 19

Which of the following will be in box number 3?

Accepted Answer

Aa

Answer

AA

Answer

aa

Question 20

Which of the following will be in box 4?

Accepted Answer

aa

Answer

AA

Answer

Aa

Genetics Test Review

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