White Guinea Pigs Name: Yvonne K. If two white guinea pigs
produced only white offspring. Which gene is dominant and which
is recessive and why? It's probably recessive since only white
are produced, however if the white guinea pigs are both
homozygous dominant they would also produce only white
offspring. So you need more information to say for sure. Click
here to return to the Molecular Biology Archives Update: June
2012