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Pedigrees
Test Description: Reading and interpreting pedigrees
Instructions: Answer all questions to get your test result.
1) What does a colored in circle mean when shown in a pedigree
A
an unaffected male
B
an unaffected female
C
an affected female
D
an affected male
2) What is the ingheritance pattern of the pedigree labeled A
A
autosomal doiminant
B
x-linked recessive
C
no way to tell
D
autosomal recessive
3) If a pedigree skips generations and the affected are mostly males the inheritance pattern probably is
A
autosomal recessive
B
x-linked recessive
C
automsomal dominant
D
no way to tell
4) On the pedgiree labeled A what is the genotype of person III-7
A
there is no way to tell
B
aa
C
Aa
D
AA
5) What is the inheritance pattern of pedigree B
A
x-linked recessive
B
z-linked recessive
C
Autosomal dominant
D
Autosomal recessive
6) How are I- 1 and II- 5 related in pedigree B?
A
grandfather and grandson
B
father and daughtor
C
father and son
D
father-in-law and daughtor in law
7) Which of the following is a carrier for the trait in pedigree B?
A
III-1
B
II- 2
C
I-1
D
II-6
8) What is the inheritance pattern in pedigree C
A
Autosomal dominant
B
Autosomal recessive
C
y-linked
D
x-linked recessive
9) What is he genotype of individual III-1 in pedgiree C
A
BB
B
bb
C
Bb
D
x^b Y
10) In pedigree C the genotypes of individuals II-1 and II-2 have to be
A
x^B Y
B
BB
C
Bb
D
bb
*select an answer for all questions
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