Fertilization is the union of two gametes resulting in the formation of the zygote. For diploid organisms, the zygote is formed from two haploid sets of chromosomes.
The red European squirrel has 12 pairs of large, long chromosomes. The grey squirrel has 20 pairs of smaller, shorter chromosomes. What do you expect to be the chromosome number in somatic tissued of a red/grey squirrel hybrid?
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