Expert: Walter Hintz - 10/31/2010

Question
Suppose individuals within a breeding population are diploid
with A and a alleles located on a pair of chromosomes and B
and b located on a different pair of chromosomes. If two
individuals from this population with genotypes AaBb x aabb
had offspring what are all of the possible genotypes of
their children? I don't know how to draw all the gametes
with their respective chromosomes and all the potential
offspring genotypes with their full complement of
chromosomes.

Answer
Hi Tanya
Here is how to determine the gametes from this cross and how set up a punnett square
Assume AaBb is the male and aabb the female
 Possable gamet s for the male are Ab  Ab   aB  and ab
 Possible gametes for the female is only ab

 AaBb    x   aabb  


  AB    aB      Ab    ab

ab AaBb  aaBb    Aabb  aabb ( these are the only possible genotypes

ab    same

ab
   same
ab   same

 I do not not know what you already knew. If you do not understand wht I did here let me know