Biology Forum › Genetics › Genetics problem help

last updated by Cat 15 years, 6 months ago
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    • March 10, 2008 at 2:12 am #9255
      georgina009
      Participant

      I have been given a problem to do with crosses and stuff. I have done it but i got a weird answer so I wonder if you could help me:

      C – coloured feathers
      I – blocks expression of C
      c – white feathers
      i – dosent block C

      Leghorn chicken – CCII
      Wyandotte – ccii

      Qn – What propotion of the F2 progeny obtained from crossing those two above will have white feathers?
      My answer – 13:3
      Am I correct? What do you get?

    • March 10, 2008 at 10:16 pm #82714
      Cat
      Participant

      Correct!

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