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

A. Rw
B. RW
C. TW
D. Tw

Sagot :

GinnyAnswer
To solve the question regarding the alleles of the offspring when a red cow is crossed with a white cow:

1. Identify the Genotypes of the Parents:
- A red cow that is homozygous dominant has a genotype of RR. This means it has two dominant alleles for the red color.
- A white cow that is homozygous dominant has a genotype of WW. This means it has two dominant alleles for the white color.

2. Determine the Possible Genotype of the Offspring:
- When crossing these two cows, the offspring will inherit one allele from each parent.
- Therefore, the offspring will receive one R allele from the red cow and one W allele from the white cow.

3. Resulting Genotype:
- The resulting genotype of the offspring will be RW, which combines one allele from each parent.

4. Answer:
- The offspring will have the alleles RW.

Thus, the correct answer is RW.
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