Genes - Biology Forum

last updated by

alextemplet 16 years, 2 months ago

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- October 7, 2008 at 10:07 am #10211
  mikeportnoy
  Participant
  Hair colour is determined by the dominant allele B for black hair and the recessive allele b for brown hair . What are the genotypes for the father and mother that will give a phenotypic ratio of 1:1 amogn the children . Explain
- October 7, 2008 at 12:54 pm #86288
  blcr11
  Participant
  There’s only six (I think) possible Punnet squares you can make here. Write them out and it should be obvious which one gives the outcome you’re looking for.
- October 7, 2008 at 2:34 pm #86294
  alextemplet
  Participant
  What? No blondes? That’s racist!
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