Ronan O'Rahilly

Ronan O'Rahilly

Although life is a continuous process, fertilization is a critical landmark because, under ordinary circumstances, a new, genetically distinct human organism is thereby formed.... The combination of 23 chromosomes present in each pronucleus results in 46 chromosomes in the zygote. Thus the diploid number is restored and the embryonic genome is formed. The embryo now exists as a genetic unity.More Ronan O'Rahilly quotes [03/29/2018 05:03:36]

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