wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Genetics Quiz

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

The "Father of Genetics" is ________________________.

a)

Thomas Hunt Morgan

b)

Gregor Mendel

c)

Friedrich Miescher

d)

James Watson

2.

An allele is

a)

another word for a gene

b)

a homozygous genotype

c)

a heterozygous genotype

d)

one of several possible forms of a gene

3.

Phenotype refers to the ______________________ of an individual.

a)

genetic makeup

b)

actual physical appearance

c)

recessive alleles

d)

dominant alleles

4.

"Tt" is a _______________________.

a)

Homozygous recessive

b)

Homozygous dominant

c)

Heterozygous

5.

"TT" is __________________________.

a)

Homozygous dominant

b)

Homozygous recessive

c)

Heterozygous

6.

"tt" is ____________________________.

a)

Homozygous dominant

b)

Homozygous recessive

c)

Heterozygous

7.

If we were forming a cross to solve for height in pea plants and "T" was the allele for tall and "t" was the allele for short, what would be the phenotype for the genotype "Tt"?

a)

Tall

b)

Short

c)

A blend of the two heights

8.

Gregor Mendel discovered 2 laws of inheritance: the law of segregation and the law of independent assortment. Which Punnett Square do we use to solve for independent assortment?

a)

Monohybrid cross

b)

Dihybrid cross

9.

Non-Mendelian laws were inheritance patterns that did not follow Mendel's rules. Which of the following is NOT a non-mendelian rule?

a)

Incomplete dominance

b)

Codominance

c)

Sex-linked traits

d)

Law of independent assortment

10.

Which of the following inheritance pattern is demonstrated by this Punnett Square?

a)

Incomplete dominance

b)

Codominance

c)

Sex-linked traits

11.

Which inheritance pattern is demonstrated by this Punnett Square?

a)

Incomplete dominance

b)

Codominance

c)

Sex-linked traits

12.

Which chromosome pair belongs to a male?

a)

XX

b)

XY

13.

Which inheritance pattern is this Punnett Square demonstrating?

a)

Incomplete dominance

b)

Codominance

c)

Sex-linked traits

14.

Which sex chromosome genotype below represents a female carrier of hemophilia?

a)

XH Xh

b)

XH XH

c)

XH Y

d)

Xh Y

15.

If a dad had type A blood and his genotype was "AO," and a mom had Type B blood whose genotype was "BB," what % of their kids would have type AB blood? Perform a punnett sqaure to find your results.

a)

0%

b)

25%

c)

50%

d)

100%

16.

If a red snapdragon flower with the genotype "RR" and a pink snapdragon with the genotype "RW" were crossed, how many of their offspring would be white? Perform an incomplete dominance punnett square to complete this problem.

a)

0%

b)

50%

c)

75%

d)

100%

17.

A father with hemophilia and a normal mother who is a carrier perform a punnett square to solve for the chance their child could get this disease. What is the percent chance that they have a girl with hemophilia? Perform a punnett square to find your results.

a)

25%

b)

50%

c)

75%

d)

100%

18.

When performing Dihybrid crosses, you must foil the parent's genotypes first to figure out their 4 gamete's alleles. If one parent's genotype is BbTt for having brown hair and is tall, what are their 4 genotypes that would go above the dihybrid cross punnett square?

a)

Bt Bt, bT, bT

b)

Bt, bt, Bt, bt

c)

BT, Bt, bT, bt

d)

BT, bt, BT, bt

19.

When performing an original monohybrid cross following Mendel's laws, what percent of a pea plant's offspring would be round if one parent had an "Rr" genotype and the other had an "rr" genotype? "R" is the allele for round, and "r" is the allele for wrinkly.

a)

0%

b)

25%

c)

50%

d)

75%

20.

Which shape above represents a male in this pedigree?

a)

Circle

b)

Square