Sociology, asked by 9102674622, 1 year ago

the trisomy of 21 chromosome causes

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Answered by KarthikBonthala

People who inherit an unbalanced translocation involving chromosome 21 may have extra genetic material from chromosome 21, which causes Down syndrome. Like trisomy 21, mosaic Down syndrome is not inherited. It occurs as a random event during cell division early in fetal development.

Answered by monikasoni1818p39bi3

down symdrome causes
hope it helps u

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