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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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rkoch rkoch
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11 years ago
A rabit, homozygous recessive for white fur, produces a litter of eight bunnies. Four of the bunnies are white and four are black. Determine the genotype of the father.
Please help with the punnett square. Thanks.
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#1
11 years ago
the father is heterozygus dominant... you basically can just do it in your head

  bb x Bb = 2Bb, 2bb
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ilikepoopilikepoop
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11 years ago
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#3
11 years ago
B = black fur
b = white fur

homozygous recessive = bb

so you have bb x _ _

Since some babies are black (B _ ) and some are white (bb) the father would have to be able to contribute a B for the black ones, or a b for the white ones. So the father has to be Bb.

You don't need a Punnett square.  This is a classic "who done it?" scenario.
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