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Punnett Square Pop Quiz

Total questions: 10

Worksheet time: 30mins

Name
Class
Date
1.

Why do scientist use Punnett Squares?

a)

A tool scientist use to to see alleles

b)

A tool scientist use to see which alleles are dominant

c)

A tool scientist use to determine possible genotypes for offspring

2.

Which of the following is a Homozygous Dominant Genotype?

a)

Yy

b)

XX

c)

zz

3.

Which of the following is a homozygous recessive genotype?

a)

HH

b)

dd

c)

Aa

4.

Which of the following is a heterozygous genotype?

a)

Gg

b)

UU

c)

pp

5.

In a Punnett Square, 1 box is equal to 25%. How much are 3 boxes equal to?

a)

25%

b)

50%

c)

75%

d)

100%

6.

Fill in the Yellow Box

a)

AA

b)

Aa

c)

aa

7.

Fill in the Yellow Box

a)

Bb

b)

BB

c)

bb

8.

How chance the offspring born from this cross will have a homozygous dominant genotype?

a)

25%

b)

50%

c)

75%

d)

100%

9.

The punnett square is used to tell the color of a frogs skin. "G" means green skin and "g" means brown skin. What is the chance the baby frogs will have brown skin?

a)

0%

b)

25%

c)

50%

d)

100%

10.

What is the mother's genotype?

a)

DD

b)

Dd

c)

dd