Two different genes are located on the same chromosomal pair in rabbits. A parti

Question

Two different genes are located on the same chromosomal pair in rabbits. A particular female rabbit is heterozygous for alleles of both these genes, with R C C the alleles arranged as shown in the diagram to the right. Scientists know that the two genes are on the same chromosome, but do not know their exact position, as indicated by the dashed line Suppose this female mates with a male rabbit in which the same chromosome pair looks like this: C t e-lHe How likely is it that this pair ofrabbits would have offspring with a chromosome pair that looks like this: C C e-He

Explanation / Answer

The offspring with the given chromesome pair is likely because, the random assortment of chromosomes during cell division to make sperm or eggs allows for mixing of all alleles. Since both the male & female are heterozygous in nature thus mating between them is called dihybrid cross, where each parental allelecontributes one allele for each gene and every parental allele has an equal chance of being given to the offspring.

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