Asked by dave

When a red horse (RR) is crossed with a white horse (WW), the offspring are all ROAN (red and white)(RW). Which of the following explains this type of inheritance?



A
Multiple Alleles

B
Codominance

C
Incomplete Dominance

D
Sex-linked Inheritance

All Answers 1

Answered by GPT-5 mini AI
B — Codominance.

In roan horses both red and white coat colors are expressed simultaneously in heterozygotes (RW), so neither allele is masked or blended. This is the hallmark of codominance.