Homework Help: Statistics

Posted by Kate on Monday, May 25, 2009 at 2:02pm.

For the gene pair that determines eye color, each gene trait may be one of two types: dominant brown (B) or recessive blue (b). A person possessing the gene pair BB or Bb has brown eyes, whereas the pair bb produces blue eyes.

a) Suppose both parents of an individual are Bb. What is the probability that a randomly selected child of this couple will have blue eyes?

I know how to calculate this using a punnett square, but this is for stats class...so i'm not sure how i'm supposed to work this out. do i use a venn diagram? my professor wasn't very clear explaining this. thanks!

Statistics - bobpursley, Monday, May 25, 2009 at 3:39pm
You can get BB, Bb, bB, and bb

Pr=1/4

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