In guinea pigs, black hair (B) is dominant to brown hair (b) and short hair (H) is dominant to long hair (h). A black, short-haired guinea pig (BBHH) is crossed with a brown, short... In guinea pigs, black hair (B) is dominant to brown hair (b) and short hair (H) is dominant to long hair (h). A black, short-haired guinea pig (BBHH) is crossed with a brown, short-haired guinea pig (bbHh). What is the phenotype ratio that will be seen in the offspring?
Understand the Problem
The question is asking about the expected phenotype ratios in the offspring of a genetic cross between a black short-haired guinea pig and a brown short-haired guinea pig. It involves understanding basic principles of dominance and Mendelian genetics.
Answer
8 black/short : 8 black/long
The final answer is 8 black/short : 8 black/long : 0 brown/short : 0 brown/long
Answer for screen readers
The final answer is 8 black/short : 8 black/long : 0 brown/short : 0 brown/long
More Information
The offspring will be 50% black with short hair and 50% black with long hair due to the dominance of the B allele.
Tips
Ensure that all combinations of gametes are considered in a dihybrid cross.
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