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Mendel Genetics and Punnett Squares

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Who was the Austrian monk that experimented on pea plants and is called the "father of genetics"?

a)

Gregor Mendel

b)

Charles Darwin

c)

Francis Crick

d)

James Watson

2.

Different versions of a trait (tall or short, white or purple) are called

a)

alleles

b)

traits

c)

versions

d)

genes

3.

Which of the following shows a dominant trait?

a)

aa

b)

Bb

c)

cc

d)

dd

4.

The only way for a recessive trait to appear is for an organism to have

a)

two dominant alleles

b)

two recessive alleles

c)

one dominant allele and one recessive allele

5.

Which of the following is considered to be Homozygous Dominant?

a)

AA

b)

Aa

c)

aa

6.

Which of the following is considered to be Heterozygous?

a)

AA

b)

aa

c)

Aa

7.

Which of the following is/are an example(s) of a genotype? Select all that apply.

a)

tall

b)

purple

c)

AA

d)

wrinkled

e)

bb

8.

In pea plants, tall is dominant to short. If 2 heterozygous plants are crossed, what % of the offspring will be short?

a)

0%

b)

25%

c)

50%

d)

75%

9.

In pea plants, purple is dominant to white. If a plant has a genotype of Pp, what is its phenotype?

a)

purple

b)

white

c)

purple and white

10.

Based on this Punnett Square, what is the chance of getting a female with white eyes?

a)

0%

b)

25%

c)

50%

d)

100%

11.

A blonde woman marries a heterozygous man. What are the chances of a blonde hair baby?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

12.

A woman with curly hair marries a man who is homozygous dominant. What are the chances of a curly hair baby?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

13.
What are genes?
a)
Something you wear.
b)
Segments of DNA that carry traits for offspring.
c)
The powerhouse of cells.
d)
None of the above.
14.

A chart that shows all the possible combinations of alleles that can result from a genetic cross

a)

dominant allele

b)

codominance

c)

probability

d)

Punnett Square