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Genetics Vocabulary Quiz

Total questions: 10

Worksheet time: 19mins

Name
Class
Date
1.

Heredity is

a)

the passing of traits from parents to offspring

b)

the passing of money to parents

c)

genes

d)

alleles affect inheritance

2.

If two genes are the same for a certain trait they are considered

a)

Homozygous

b)

Twins

c)

Heterozygous

3.

Chromosomes are

a)

Found in the mitochondria

b)

Made of 20 pairs

c)

Long strands of DNA that contain many genes

d)

Bundles of DNA that contain only one gene each

4.

If a gene is always expressed or always shown with a capital letter it is

a)

Bossy

b)

Recessive

c)

Yelling

d)

Dominant

5.

This variation of a gene can only be expressed if it is received from both parents

a)

Shy

b)

Heterozygous

c)

Variation

d)

Recessive

6.

Illnesses or disorders caused by an abnormal gene (Examples: Downs and Turner Syndrome -wrong number of chromosomes, Recessive traits - Sickle Cell Anemia, Cystic Fibrosis)

a)

Mutation

b)

Genetic Disorder

c)

Vaccine

d)

Covid 19

7.

23 pairs or 46 chromosomes

a)

Number of human chromosomes in each cell

b)

Number of nuclei in each human cell

c)

Number of letters in the alphabet

d)

Number of days in the month of February

8.

When a chromosome is not copied correctly

a)

Identical twins

b)

Fraternal twins

c)

Mutation

9.

A chart that shows all possible combinations of alleles between two organisms

a)

Punnett Square

b)

Pedigree

10.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT