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Worksheets

Genes and Alleles

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

Eye color is an example of a...

a)

Gene

b)

Allele

c)

Genome

d)

Chromosome

2.

Green eyes is an example of...

a)

Gene

b)

Allele

c)

Genome

d)

Chromosome

3.

Hair color is an example of a...

a)

Gene

b)

Allele

c)

Genome

d)

Chromosome

4.

Brown hair is an example of...

a)

Gene

b)

Allele

c)

Genome

d)

Chromosome

5.

Different variations of genes are...

a)

Genomes

b)

Alleles

c)

Chromosomes

d)

Genes

6.

All alleles are the result of (a)  

7.

Segments of DNA are called _______________________

a)

Genes

b)

Alleles

c)

Traits

d)

Chromosomes

8.

Genes always appear in pairs. Each parent donates ________ allele for every trait.

a)

1

b)

2

c)

23

d)

46

9.
The traits of an organism are passed to its offspring on small coded strands of DNA material called
a)
meiosis
b)
recessive traits
c)
genes
d)
heredity
10.

If a person has 2 different alleles for a gene, they are ​ ​ (a)   , but if they have 2 of the same alleles, they are ​ (b)   .

Choose from the below words
heterozygous
homozygous