Free Printable Mendelian Genetics

Worksheets

Mendelian Genetics

Total questions: 16

Worksheet time: 17mins

Name

Class

Date

What is the percentage of homozygous recessive offspring?

25%

50%

75%

Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?

Which of the following is a heterozygous dominant genotype?

GGG

In Mendel's pea plants, the homozygous recessive phenotype was white flowers. If Mendel crossed two homozygous recessive pea plants, what color flowers would be seen in the offspring?

white and purple

white

purple

lavendar

Dominant alleles are represented by a(n)

phenotype

lower case letter

upper case letter

punnett square

D = dimples d = no dimples
What is the genotype for a homozygous recessive offspring?

What is the percentage of a homozyogus dominant offspring?

75%

50%

25%

Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?

If two purebred species (BB) are crossed, what percentage of their offspring would be BB?

25%

50%

75%

100%

10.

What do you call the physical expression of a gene?

genotype

dominant

phenotype

allele

11.

What percentage of the offspring will be heterozygous dominant?

100%

75%

50%

25%

12.

What percentage of the possible offspring will be hybrids?

25%

50%

75%

100%

13.

Long hair is a dominant trait. Choose the BEST statement.

This guinea pig received two dominant traits. (HH)

This guinea pig cannot have a recessive allele. (h)

This guinea pig could be homozygous dominant (HH) or heterozygous (Hh)

This guinea pig is homozygous recessive (hh)

14.

This little guy has a recessive trait. Choose the best statement.

Both parents gave him an "h". (hh)

He has one "H" and one "h".

He will die without hair.

He is a baby and his hair will grow in a few more days.

15.

Smooth is dominant to wrinkled, and Yellow is dominant to green. You plan to cross a pea plant with wrinkly green seedpods with a plant that is heterozygous for both traits. What fraction of your offspring will have smooth, green seedpods?

1/2

1/4

1/8

1/16

3/16

16.

The fact that each parent only passes on ONE allele to each offspring is the Law of ...

Independent Assorment

Segregation

Division

Meiosis

Reset

Mendelian Genetics

Total questions: 16

Worksheet time: 17mins

Similar Resources on Wayground