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Worksheets

Genetics Key Terms

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What is mom's phenotype?

a)

H

b)

h

c)

blue skin appearance

d)

normal skin appearance

e)

Hh

2.

Select the TWO alleles used to represent the two versions of the gene

a)

H

b)

h

c)

blue skin appearance

d)

normal skin appearance

e)

Hh

3.

Which allele represents the non-mutated version of the gene?

a)

H

b)

h

c)

blue skin appearance

d)

normal skin appearance

e)

Hh

4.

Which allele represents the version of the gene that causes blue skin?

a)

H

b)

h

c)

blue skin appearance

d)

normal skin appearance

e)

Hh

5.

What is mom's genotype?

a)

Hh

b)

hh

c)

blue skin appearance

d)

normal skin appearance

6.

Which is the DOMINANT allele?

a)

H

b)

h

c)

blue skin appearance

d)

normal skin appearance

7.

Which is the RECESSIVE allele?

a)

H

b)

h

c)

blue skin appearance

d)

normal skin appearance

8.

The genotype AA is

a)

homozygous dominant,

b)

homozygous recessive

c)

heterozygous

9.

The genotype Bb is

a)

homozygous dominant,

b)

homozygous recessive

c)

heterozygous

10.

The genotype Cc is

a)

homozygous dominant,

b)

homozygous recessive

c)

heterozygous

11.

The genotype ff is

a)

homozygous dominant,

b)

homozygous recessive

c)

heterozygous

12.

The genotype HH is

a)

homozygous dominant,

b)

homozygous recessive

c)

heterozygous

13.

Which of the following terms describes the physical appearance of an organism resulting from its genetic makeup?

a)

Genotype

b)

Phenotype

c)

Allele

d)

Locus

14.

In a monohybrid cross between two heterozygous individuals (Aa), what is the expected phenotypic ratio of the offspring?

a)

1:2:1

b)

3:1

c)

9:3:3:1

d)

1:1

15.

What is the term for a segment of DNA that codes for a specific protein or function?

a)

Chromosome

b)

Gene

c)

Genome

d)

Nucleotide