The Ultimate Guide to Guinea Pig Breeds, Markings and Colors – Kavee USA
In guinea pigs, rough coats (with lots of swirly cowlicks) are dominant over smooth coats. If a male homozygous recessive guinea pig is crossed with a female homozygous dominant guinea pig, what are the possible genotypes and phenotypes of the offspring? Complete the Punnett square and the percentages of rough and smooth coated offspring.
***Please follow all Punnett square rules to complete this question. (Letters and numbers, only)
Please use the following: Rough = R and Smooth = r
Possible genotypes of offspring:
- Genotypes: 50% Rr (heterozygous rough coat) and 50% rr (homozygous smooth coat)
Punnett square:
R r
R RR Rr
r Rr rr
Percentages of offspring:
- 50% rough coat
- 50% smooth coat
is this correct?
I apologize for the mistake in my previous response. Let me correct it:
Possible genotypes of offspring:
- Genotypes: 100% Rr (heterozygous rough coat)
Punnett square:
R r
R RR Rr
R RR Rr
Percentages of offspring:
- 100% rough coat
Thank you for pointing that out, and I hope this clarification helps.