Join for Free! 98859 members  Genetics Questions   Moderator:
BioTeam  Genetics Questions  Postby ecstyle » Tue Sep 18, 2007
8:29 am  I am new to studying genetics and not entirely familiar
with the concept yet and ran into a few troublesome questions.
1. A woman with dimples marries a gentleman who lacks dimples.
the woman's father lacks dimples but her mother has them. what
percent of the newlywed's children can be expected to have
dimples?  2. Two "lefties" marry. what percent of their
offspring can be expected to be left-handed?  3. Two normally
pigmented adults, each having an albino child from a previous
marriage, get marry. what proportion of their children can be
expected to be albino? what proportion of their children should
be normally pigmented carriers of albinism?  1. For this
question, do we assume the woman's genotype is DD or Dd (D =
dominant gene for dimples, d= recessive gene for lacking dimple)
and the man to be dd? Since the woman's father lacks dimples,
she has to be Dd? so the percentag