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Intro to Genetics

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

Identify the following genotype: RR

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous recessive

2.

Identify the following genotype: Rr

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

3.

Identify the following genotype: rr

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

4.

Which of the following genotypes are Homozygous Recessive? Select all that apply:

a)

rr

b)

ee

c)

Ee

d)

RR

e)

TT

5.

Identify all of the genotypes that are Homozygous Dominant. Select all that apply:

a)

TT

b)

ee

c)

Ee

d)

EE

e)

RR

6.

Identify all of the genotypes that are Heterozygous. Select all that apply:

a)

Tt

b)

tt

c)

ee

d)

Rr

e)

AA

7.

Which of the following represents an Allele?

a)

Hair Color

b)

Red Hair

c)

Eye Color

d)

Hair Curliness

8.

Which of the following represents a gene?

a)

Hair curliness

b)

Straight hair

c)

Brown eyes

d)

Black Hair

9.

What process ensures that every gamete only has half the number of chromosomes as a normal body cell?

a)

Mitosis

b)

Meiosis

c)

Fertilization

d)

Genetics

10.

Horses have two main coat colors that can occur. Based on the diagram to the left, what color is the recessive trait?

a)

Chestnut

b)

Black

11.

What is the gene in the diagram?

a)

Coat color

b)

Black coat

c)

Chestnut Coat

12.

What is the phenotype of the heterozygous bird?

a)

Pink color

b)

Blue color

c)

Mixture of blue and pink

13.

What is the genotype of the homozygous recessive bird?

a)

aa

b)

Aa

c)

AA

d)

Blue

e)

Red

14.

According to the diagram, what are the possible genotypes of somebody with brown eyes?

a)

BB

b)

Bb

c)

bb

15.

In genetics, what is the main macromolecule involved with this field?

a)

Nucleic Acid

b)

Lipids

c)

Proteins

d)

Carbohydrates