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KC: Pedigree

Total questions: 11

Worksheet time: 11mins

Name
Class
Date
1.

In a pedigree, which shape represents a male?

a)

circle

b)

square

2.

In a pedigree, this symbol represents a ---

a)

not affected female.

b)

not affected male.

c)

affected male.

d)

affected female.

3.

On a pedigree, this symbol represents a ----

a)

not affected male.

b)

not affected female.

c)

affected male.

d)

affected female.

4.

The trait this pedigree traces is recessive because it skips a generation and individuals can be carriers. What is the most likely genotype for person III-3?

a)

GG

b)

Gg

c)

gg

5.
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?
a)
HH
b)
Hh
c)
hh
d)
None of the above
6.

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

a)

HH

b)

Hh

c)

hh

7.

How many grandkids did the mother and father from the first generation have?

a)
2
b)

3

c)
5
d)
6
8.
There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?
a)
Dominant
b)
Recessive
9.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
10.

What must be the genotype of individual II-2?

a)

Aa

b)

AA

c)

aa

11.

If the affected female in the 2nd generation is homozygous dominant, what must be the genotype of individual III-5?

a)

Aa

b)

AA

c)

aa