Punnett Squares

tetrisfan
Sun, 04 May 2008 05:51:54 +0000

Dihybrid ratio=9:3:3:1.

Assume that the two characteristics being stuided are simply called 1 and 2. Then:

9=Dominant1, Dominant2
3=Dominant1, Recessive2
3=Recessive1, Dominant2
1=Recessive1, Dominant1