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Worksheets

Genetics

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following options shows a purebred dominant genotype?

a)

Aa

b)

AA

c)

aa

2.

Which of the following options shows a purebred recessive genotype?

a)

Ee

b)

EE

c)

ee

3.

Which of the following options shows a hybrid/heterozygous genotype?

a)

Bb

b)

BB

c)

bb

4.

An organism's physical characteristics are its _____.

a)

phenotype

b)

genotype

c)

heredity

d)

genetics

5.

The different allele combinations that an organism has inherited (ex. BB or Bb) are its _____.

a)

phenotype

b)

genotype

c)

heredity

d)

genetics

6.

What is the probability that this genetic cross will result in a white flower?

a)

25%

b)

50%

c)

75%

d)

100%

7.

What is the probability that this genetic cross will result in a purple flower?

a)

25%

b)

50%

c)

75%

d)

100%

8.

What is the probability that this genetic cross will result in a hybrid genotype?

a)

25%

b)

50%

c)

75%

d)

100%

9.

Traits that always appear, even when there is only one copy, are called _____ traits.

a)

dominant

b)

recessive

c)

allele

d)

inherited

10.

Traits that only appear when there are two copies present are called _____ traits.

a)

dominant

b)

recessive

c)

allele

d)

inherited