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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 female
B
an unaffected male
C
an affected female
D
an affected male
2) What is the ingheritance pattern of the pedigree labeled A
A
autosomal recessive
B
autosomal doiminant
C
no way to tell
D
x-linked recessive
3) If a pedigree skips generations and the affected are mostly males the inheritance pattern probably is
A
autosomal recessive
B
automsomal dominant
C
no way to tell
D
x-linked recessive
4) On the pedgiree labeled A what is the genotype of person III-7
A
AA
B
aa
C
Aa
D
there is no way to tell
5) What is the inheritance pattern of pedigree B
A
Autosomal recessive
B
z-linked recessive
C
Autosomal dominant
D
x-linked recessive
6) How are I- 1 and II- 5 related in pedigree B?
A
father and daughtor
B
father and son
C
father-in-law and daughtor in law
D
grandfather and grandson
7) Which of the following is a carrier for the trait in pedigree B?
A
II-6
B
III-1
C
II- 2
D
I-1
8) What is the inheritance pattern in pedigree C
A
y-linked
B
Autosomal dominant
C
x-linked recessive
D
Autosomal recessive
9) What is he genotype of individual III-1 in pedgiree C
A
Bb
B
bb
C
x^b Y
D
BB
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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