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Intro to Heredity Vocab

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is a phenotype?

a)

The genetic make up (code)

b)

The physical trait

2.

Which of the following genotypes is homozygous dominant?

a)

A

b)

Aa

c)

aa

d)

AA

3.

Which of the following is the correct definition for a genotype?

a)

The set of genes in our DNA which is responsible for a particular trait.

b)

The expression of one of your parents traits.

c)

A strand of DNA made up of multiple mutations.

d)

The physical expression of a gene. (Characteristics)

4.

Which of the following genotypes is heterozygous?

a)

bb

b)

BB

c)

Bb

d)

B

5.

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

a)

recessive

b)

dominant

c)

lower case letter

d)

both 

6.

An example of a homozygous recessive gene is

a)

dd

b)

Dd

c)

DD

d)

DAB

7.

Dominant alleles are represented by a:

a)

Male gene

b)

lowercase letter

c)

recessive trait

d)

capital letter

8.

Aa, DD, bB, yy are all examples of

a)

genotypes

b)

phenotypes

9.

Hair colour is an example of

a)

phenotype

b)

genotype

10.

Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?

a)

B

b)

BB

c)

Bb

d)

bb