WorksheetsExam Review- Pedigrees
Total questions: 12
Worksheet time: 20mins
Name
Class
Date
1.
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
2.
How are individuals III-2 and II-4 related?
a)
Cousins
b)
Dad and Daughter
c)
Uncle and Niece
d)
Grandpa and Granddaughter
3.
If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?
a)
HH
b)
Hh
c)
hh
4.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
5.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
6.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
7.
How are individuals I-2 and III-5 related?
a)
Grandpa and grandson
b)
Mom and son
c)
Uncle and nephew
d)
Grandma and grandson
8.
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
9.
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
10.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
11.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
12.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
100 %
