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Genetics Quiz

Total questions: 19

Worksheet time: 19mins

Name
Class
Date
1.

Who is the father of genetics?

a)

Darwin

b)

Mendel

c)

Einstein

d)

Franklin

2.

What is the term for the study of how traits are passed from parents to offspring?

a)

Genes

b)

Epigenetics

c)

Genetics

d)

Acquired

3.

Traits that are passed down and are found in your DNA are called _____________ traits.

a)

inherited

b)

acquired

c)

homozygous

d)

heterozygous

4.

Traits that are learned or you are not born with are what type of traits?

a)

acquired

b)

inherited

c)

homozygous

d)

heterozygous

5.

A broken bone is what type of trait?

a)

acquired

b)

inherited

c)

homozygous

d)

heterozygous

6.

Humans have this many chromosomes.

a)

64

b)

23

c)

32

d)

46

7.

Humans have this many pairs of chromosomes.

a)

32

b)

12

c)

23

d)

46

8.

Which of the following is homozygous dominant?

a)

RR

b)

Rr

c)

rR

d)

rr

9.

Which of the following is homozygous recessive?

a)

RR

b)

Rr

c)

rR

d)

rr

10.

One uppercase and one lowercase letter are alleles for what type of trait?

a)

Homozygous

b)

Heterozygous (hybrid)

c)

Phenotype

d)

Allele

11.

Black hair is considered what?

a)

Genotype

b)

Allele

c)

Phenotype

d)

Probability

12.

The letters that make up your genes are called what?

a)

Alleles

b)

Genotype

c)

Phenotype

d)

Probability

13.

How many offspring will show the recessive trait?

a)

0%

b)

25%

c)

50%

d)

75%

14.

How many are hybrids?

a)

0%

b)

25%

c)

50%

d)

100%

15.

What fraction of individuals will be homozygous dominant?

a)

1/3

b)

1/2

c)

2/3

d)

1/4

16.

What term refers to mixture or blending of two traits?

a)

Codominance

b)

Non-dominance

c)

Complete dominance

d)

Incomplete dominance

17.

When two phenotypic traits are expressed at the same time, this is called what?

a)

Complete dominance

b)

Incomplete dominance

c)

Codominance

d)

Non-dominance

18.

A dihybrid cross looks at how many traits at the same time?

a)

1

b)

2

c)

3

d)

4

19.

Tags on your DNA that occur because of your environment are called what?

a)

Epigenetics

b)

Alleles

c)

Genes

d)

Phenotypes