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Mendelian Genetics

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Genetics is the study of

a)

heredity

b)

pea plants

c)

viruses

d)

Mendel

2.

Heredity describes how ______ are passed down from parents to offspring.

a)

traits

b)

food & water

c)

inheritance & money

d)

diseases

3.

Another word for trait is

a)

characteristic

b)

treat

c)

genes

d)

jeans

4.

Mendel studied genetics by cross-pollinating the traits of these types of plants.

a)

peas

b)

beans

c)

celery

d)

cactus

5.

When Mendel crossed true-breeding purple-flowered plants with white-flowered plants, all the offspring had what coloured plants?

a)

purple

b)

white

c)

pink

d)

blue

6.

This is because the allele for purple plants is...

a)

dominant

b)

recessive

7.

The allele for white flowers is...

a)

dominant

b)

recessive

8.

The physical description of an organism's trait is

a)

phenotype

b)

genotype

c)

homozygous

d)

heterozygous

9.

The combination of alleles that an individual has is

a)

phenotype

b)

genotype

c)

homozygous

d)

heterozygous

10.

When an individual has two of the SAME alleles for a trait, the genotype is

a)

phenotype

b)

genotype

c)

homozygous

d)

heterozygous

11.

When an individual has two DIFFERENT alleles for a trait, the genotype is

a)

phenotype

b)

genotype

c)

homozygous

d)

heterozygous

12.

A pea plant has the alleles "BB" for the purple flower trait. This genotype is

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous

13.

A pea plant has the alleles "bb" for the purple flower trait. This genotype is

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous

14.

A pea plant has the alleles "Bb" for the purple flower trait. This genotype is

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous