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bluetigerbird2117
bluetigerbird2117
30.05.2020 • 
Biology

Starting with the somatic ovarian cell used as the source of the nucleus in the cloning process, explain how this outcome occurred. Starting with the somatic ovarian cell used as the source of the nucleus in the cloning process, explain how this outcome occurred. The coat color alleles are carried on mitochondrial chromosomes and were not transferred with the donor nucleus. CC displays only colors from the mitochondria from the egg cell into which the nucleus was injected. Ovarian cells do not possess the locus for colors other than black and white. The colors black and white are encoded on a separate locus. The donor nucleus had an orange allele that was inactivated and remained inactivated in CC. The remaining black allele was the only one that could be expressed. The Lyon hypothesis states that only one allele of X-linked loci will be expressed. Therefore it is impossible that a zygote with one black allele and one orange allele could express both as an adult mammal.

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