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Basic Genetics Vocab

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Chromosomes contain sections of DNA called ______.

a)

genes

b)

nucleotides

c)

amino acids

d)

centromeres

2.

Different versions of genes.

a)

Alleles

b)

Chromatids

c)

Punnett Squares

d)

Chiasmiatids

3.

Alleles symbolized by a lowercase letter (r).

a)

recessive

b)

dominant

4.

Alleles symbolized by an uppercase letter (R).

a)

recessive

b)

dominant

5.

The pair of alleles an individual has for a trait.

a)

Genotype

b)

Phenotype

c)

Chromotype

d)

Karyotype

6.

Term that means "same genes."

a)

Homozygous

b)

Heterozygous

7.

Term that means "different genes."

a)

Homozygous

b)

Heterozygous

8.

Choose the heterozygous genotype.

a)

Hh

b)

hh

c)

HH

9.

Choose the homozygous recessive genotype.

a)

Hh

b)

hh

c)

HH

10.

Choose the homozygous dominant genotype.

a)

Hh

b)

hh

c)

HH

11.

Genotype codes for the physical expression of a trait. This is called ___________.

a)

phenotype

b)

holotype

c)

karyotype

d)

allotype