T trenda8 Guest Mar 18, 2009 #1 Let’s say that the allele for black fur (B) is dominant to the allele for white fur (b) in rats. If you cross a black rat with a white rat and get offspring which are 6 black and 5 white,
Let’s say that the allele for black fur (B) is dominant to the allele for white fur (b) in rats. If you cross a black rat with a white rat and get offspring which are 6 black and 5 white,