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Punnett Squares and Complex Inheritance

Total questions: 9

Worksheet time: 45mins

Name
Class
Date
1.

If B symbolizes black fur and b symbolizes white fur, then what would the genotypes look like if parent 1 is homozygous recessive and parent 2 is heterozygous?

(parent 1 x parent 2)

a)

hh X Hh

b)

hh X HH

c)

Hh X Hh

d)

Black and white fur

2.

G = green hair

g = pink hair

After doing a monohybrid cross you get the following genotypes: GG, Gg, Gg, GG


What is the probability that the offspring have PINK hair?

a)

0%

b)

25%

c)

50%

d)

100%

3.

For the first trait, G = green hair and g = pink hair. For the second trait, Y = yellow eyes and y = white eyes.


After a dihybrid cross you find that 100% of the offspring have the genotype Ggyy.


What is their phenotype?

a)

Green hair and white eyes

b)

Pink hair and white eyes

c)

Green hair and yellow eyes

d)

Pink hair and yellow eyes

4.

What goes in the missing box "?"

a)

TT

b)

tt

c)

Tt

d)

None of the above

5.

What is the probability that the offspring are homozygous dominant?

a)

0%

b)

50%

c)

75%

d)

100%

6.

If a red flower mixed with a white flower to create a pink flower we would call this...

a)

Complete Dominance

b)

Codominance

c)

Incomplete Dominance

d)

Multiple Alleles

7.

FOIL parent 1 alleles: HhGG

a)

HG and hG

b)

HH and GG

c)

HG and hg

d)

HG only

8.

What would be in the missing boxes "?"

a)

Hh for both

b)

hh for both

c)

HH for both

d)

Hh and HH

9.

The AB blood type has both the A proteins from one allele and the B proteins from another. They do not blend. We call this...

a)

Incomplete Dominance

b)

Codominance

c)

Complete Dominance

d)

Recessive Dominance