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Pedigrees

Total questions: 7

Worksheet time: 5mins

Name
Class
Date
1.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
2.
Lisa has two grandmothers in this picture.
a)
Mona and Jackie
b)
Marge and Mona
c)
Selma and Jackie
d)
Patty and Selma
3.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
4.
The genotype of the affected son and daughter at the bottom of this pedigree...
a)
could be homozygous dominant
b)
could  be homozygous recessive
c)
could be heterozygous
d)
Can't tell
5.
How many girls in this family express this recessive disorder?
a)
4
b)
5
c)
6
d)
7
6.

What is the genotype of both great-grandsons? (Individuals 13 and 16)

a)

AA

b)

Aa

c)

A_

d)

aa

7.
What is the genotype of the great-grandfather? (Individual 2)
a)
A_
b)
aa
c)
Aa
d)
AA