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Kaplan Qbank USMLE



Author4 Posts
  #1

Man with tyrosinase negative albinism ( AR on chromosome 11) mates with a woman with tyrosinase negative albinism (mutation on P gene on chromosome 15.

What proportion of her offspring will be affected with albinism ?

A. 25%
B. 50%
C. 75%
D. 100%
E. Other value

  #2

i think no offspring will be effectd b/c mutation is on different chromosomes.

  #3

Yeah, you are right, the patient is heterozygous of both mutations

  #4

Nice Qs & answer.----------- 8) smiling face

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