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Intro to Genetics

Total questions: 10

Worksheet time: 11mins

Name
Class
Date
1.

Match the following genotype to the correct example:

a)

homozygous dominant

1.

HH

b)

heterozygous

2.

Hh

c)

homozygous recessive

3.

hh

2.

Which of the following is an example of a phenotype?

a)

Bb

b)

blue eyes

c)

bb

d)

BB

3.

Match the following terms to the correct definition:

a)

an inherited characteristic

1.

trait

b)

the study of heredity

2.

genetics

c)

the passing of traits from parent to offspring

3.

heredity

4.

Match the following terms to the correct definition:

a)

a segment of DNA that codes for a trait

1.

gene

b)

different versions of a gene (T or t)

2.

allele

c)

an observable trait or characteric

3.

phenotype

d)

letter combination that codes for a trait (TT); THE DNA

4.

genotype

5.

Two copies of the same allele (Ex. BB or bb):

(a)  

6.

Two different copies of an allele (Ex. Bb):

(a)  

7.
Each identical side of a chromosome is the 
a)
centromere
b)
chromatin
c)
centriole
d)
chromatid
8.

What is structure D?

a)

homologous chromosomes

b)

sister chromatids

c)

genes

d)

DNA

9.

What is structure C?

a)

sister chromatids

b)

centromere

c)

homologous chromosomes

d)

DNA

10.

What is structure B?

a)

chromatid

b)

centromere

c)

chromosome

d)

gene