Down Syndrome More Condition_symptoms And Physical Looks Why Is Down Syndrome More Often The Result Of Oogenesis Rather Than Spermatogenesis?
Why is Down syndrome more often the result of oogenesis rather than spermatogenesis? - down syndrome more condition_symptoms and physical looks
Spermatogenesis is that chromosomes are evenly distributed, it is difficult to make a mistake. In oogenesis, were expelled 3 small polar body () extra chromosomes. If he can not expel the egg one chromosome 21, and then there is a surcharge on the baby, so that the syndrome.
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