Question

if a red cow (homozygous dominant) is crossed with a white cow (homozygous dominant), what alleles will the offspring have?

Explanation:

Step1: Define alleles

Let the allele for red be R (homozygous dominant RR) and for white be W (homozygous dominant WW).

Step2: Perform cross

When RR (red cow) is crossed with WW (white cow), each parent contributes one allele. The red - cow can only contribute R and the white - cow can only contribute W.

Step3: Determine offspring alleles

All offspring will have the genotype RW.

Answer:

RW