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Genetics Vocabulary

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Study of heredity

a)

genetics

b)

genes

c)

family tree

d)

generations

2.

Passing of traits from parents to offspring

a)

genetics

b)

heredity

c)

genes

d)

generations

3.

A section of a chromosome that carries the information for a specific trait like hair color or eye color

a)

heredity

b)

generation

c)

gene

d)

allele

4.

Different forms of a gene like different eye colors

a)

traits

b)

genetics

c)

chromosomes

d)

alleles

5.

A genetic factor that blocks another genetic factor -- represented by a capital letter

a)

recessive trait

b)

dominant trait

c)

homozygous

d)

heterozygous

6.

A genetic factor blocked by another genetic factor -- represented by a lowercase letter

a)

recessive trait

b)

dominant trait

c)

homozygous

d)

heterozygous

7.

How a trait PHYSICALLY appears in an organism

a)

heterozygous

b)

homozygous

c)

phenotype

d)

genotype

8.

How different combinations of alleles describe the GENETIC makeup of an organism

a)

genotype

b)

phenotype

c)

homozygous

d)

heterozygous

9.

If two identical alleles are inherited, then an organism is ___ for that trait.

a)

genotype

b)

phenotype

c)

homozygous

d)

heterozygous

10.

If two different alleles are inherited by an organism, then an organism is ___ for that trait.

a)

homozygous

b)

heterozygous

c)

genotype

d)

phenotype

11.

A model used to predict all the possible genotypes and phenotypes of an organism's offspring

a)

genes

b)

Punnett Square

c)

sculpture

d)

Mendel's Square

12.

A change in the original DNA sequence during replication

a)

dominant

b)

recessive

c)

mutation

d)

alteration