Non-Mendelian Genetics High School Biology Worksheet With Answers Page 2
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1
2
3________X
X
________________________________________
N
n
9. Females who have more than four sons, with none exhibiting hemophilia, are likely the genotype X
X
. If she
N
N
has had four or fewer sons her genotype is less certain. In such cases her genotype is labeled X
X
. Label the
N
?
rest of the females in the pedigree as X
X
or X
X
. How many females in the pedigree have
N
N
N
?
the genotype X
X
? _________7_____________
N
?
n
N
n
X
Y
X
X
Figure A
1
1
2
N
?
N
X
X
X
Y
N
n
N
X
X
N
n
N
X
Y
n
X
X
n
n
X
Y
X
Y
X
X
2
3
4
5
6
7
8
9
10
N
n
X
X
N
?
n
X
X
X
Y
N
?
N
N
X
X
X
Y
X
Y
3
17
18
11
12
13
14
15
16
N
?
N
?
X
X
X
X
4
19
20
21
22
23
24
N
?
N
N
N
N
?
N
n
X
X
X
Y
X
Y
X
Y
X
X
X
X
10. Label the genotypes of the individuals in the pedigree in Figure B.
Figure B
N
n
n
X
Y
X
X
1
2
N
n
X
X
N
n
n
N
n
X
Y
N
X
Y
N
n
X
Y
N
?
X
X
X
Y
X
X
X
X
9
10
3
4
5
6
7
8
14
15
16
17
18
20
11
12
13
19
N
n
N
n
N
?
N
n
N
n
n
N
?
N
N
?
X
X
X
Y
X
Y
X
X
X
X
X
X
X
Y
X
X
X
Y
X
X
N
n
X
X
2
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