476477
Forum Junior
Topics: 17
Posts: 43
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i read this same question both in kaplan qbank and kaplan biochemistry book but with different answer.here is question.
1: a man is a known heterozygous carrier of a mutation that causes hemochromatosis (autosomal recessive disease). suppose that 1% of the general population consist of homozygous carrier for that mutation.if the man mates with the somebody from general population. what is the best estimate for the probability that he and his mate will produce a child who is an affected homozyhote?
A. 0.025
B. 0.05
C. 0.09
D. 0.10
E. 0.25
answer in qbank b
and same question in kaplan biochemistry kaplan lecture notes but with different options as below.
A. 0.025
B. 0.045
C. 0.09
D. 0.10
E. 0.25
answer in kaplan lecture notes book is b
i cannot understand why same question have different answers?
please can some body explain correct answer with explaination.
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| babydoc4usmle
Forum Guru
Topics: 18
Posts: 634
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there is no such thing as HOMOZYGOUS CARRIER
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| drplacebo
Forum Senior
Topics: 6
Posts: 141
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Dude,
- there is no such thing as HOMOZYGOUS CARRIER.
- 0.05 is not much different from 0.045....
U r supposed 2 choose the best option not hunt for the exact answer !!!
Chill now.
___________________
nothing in this world thats worth having,comes easy!!!- "SCRUBS"
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| me007
Forum Guru
Topics: 72
Posts: 803
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this question had good discussion
http://www.prep4usmle.com/forum/thread/20693/1
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| 476477
Forum Junior
Topics: 17
Posts: 43
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sorry.i wrote homozygous carrier. it is 1% homozygous.
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