Q: - you may have heard through various media of an animal alleged to be the hybrid of a rabbit and a cat. given that cat (felis domestica) has a diploid chromosomes number of 38 and a rabbit (oryctologus cuniculus) has a diploid chromosomes number of 44, what would be the expected chromosomes number in the somatic tissues of this alleged hybrid?

41 chromosomes

Explanation:

Cats have a dipoid chromosome number of 38, so their gametes will have half that number: an haploid number of 19 chromosomes.

Rabbits have a dipoid chromosome number of 44, so their gametes will have an haploid number of 22 chromosomes.

When a cat gamete (n=19) joins with a rabbit gamete (n=22) to form the hybrid zygote, it will have 19+22=41 chromosomes. When it undergoes mitotic division, all its somatic cells will have 41 chromosomes.

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