Examine the pedigree which has X linked Dominant inheritance of disorder. Use letter X* (asterisk denotes disorder) as genotype of the individuals which can be XX, XY, X*X*, X*X and X*Y. a. What is the genotype of IV-6? b. What is the genotype of III-6? c. What is the genotype of II-3?

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PEDIGREE ANALYSIS and SYMBOLOGY
Examine the pedigree which has X linked Dominant
inheritance of disorder.
Use letter X* (asterisk denotes disorder) as genotype
of the individuals which can be XX, XY, X*X*, X*X and
X*Y.
a. What is the genotype of IV-6?
b. What is the genotype of III-6?
c. What is the genotype of II-3?
d. What is the genotype of III-8?
e. If couple I-1 and I-2 will have a son, what is the
probability of having the disorder?
f. If couple III-8 and III-9 will have another child, what
is the probability of having the disorder?
g. Theoretically, if individual IV-3 and individual
IV-5 will marry and will have a child, what is the
probability of having a child without the X-linked
disorder?
Transcribed Image Text:PEDIGREE ANALYSIS and SYMBOLOGY Examine the pedigree which has X linked Dominant inheritance of disorder. Use letter X* (asterisk denotes disorder) as genotype of the individuals which can be XX, XY, X*X*, X*X and X*Y. a. What is the genotype of IV-6? b. What is the genotype of III-6? c. What is the genotype of II-3? d. What is the genotype of III-8? e. If couple I-1 and I-2 will have a son, what is the probability of having the disorder? f. If couple III-8 and III-9 will have another child, what is the probability of having the disorder? g. Theoretically, if individual IV-3 and individual IV-5 will marry and will have a child, what is the probability of having a child without the X-linked disorder?
I
II
III
IV
1
2 3
2 3 4
1 2 3
5
567
6
4 5 6 7
Transcribed Image Text:I II III IV 1 2 3 2 3 4 1 2 3 5 567 6 4 5 6 7
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