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Punnett Square Practice

Total questions: 14

Worksheet time: 17mins

Name
Class
Date
1.

Fill in the Punnett square for the seed shape gene in pea plants: round = R. wrinkled = r. male plant = homozygous dominant. female plant = heterozygous

2.

For a species of rabbit, H = long hair & h = short hair. In this 1-factor cross, the mother has short hair. What genotype is the father?

a)

H

b)

HH

c)

Hh

d)

h

e)

hh

3.

For a species of rabbit, H = long hair & h = short hair. In this 1-factor cross, the mother has short hair. What phenotype does the father have?

a)

long hair

b)

short hair

c)

Hh

d)

HH

e)

hh

4.

For a species of rabbit, H = long hair & h = short hair. What proportion of the offspring should have short hair?

(a)  

5.

For a species of rabbit, H = long hair & h = short hair. What proportion of the offspring should have long hair?

(a)  

6.

For a species of rabbit, H = long hair & h = short hair. What is the genotype ratio?

(a)  

7.

For a species of rabbit, H = long hair & h = short hair. What percentage of the offspring should have short hair?

(a)  

8.

For a species of rabbit, H = long hair & h = short hair. What percentage of the offspring should have long hair?

(a)  

9.

For a species of rabbit, H = long hair & h = short hair. If there are 12 kits in the litter, how many should have short hair?

(a)  

10.

For a species of rabbit, H = long hair & h = short hair. If there are 12 kits in the litter, how many should have long hair?

(a)  

11.

At the start of a breeding program, which generation's alleles get written in the edge boxes?

a)

P

b)

F1

c)

F2

d)

N

12.

At the start of a breeding program, which generation's alleles get written in the numbered boxes?

a)

P

b)

F1

c)

F2

d)

N

13.

The edge boxes of this Punnett Square represent the alleles in the parents'

​ (a)   .

Choose from the below words
gametes
zygotes
14.

The numbered boxes of this Punnett Square represent the possible allele combinations for the

​​ (a)   .

Choose from the below words
zygotes
gametes