Question

The trisomy of 21st chromosome causes-

Answer 1

When the condition iscaused by trisomy 21, thechromosomal abnormality occurs as a random event during the formation of reproductive cells in a parent. The abnormality usually occurs in egg cells, but it occasionally occurs in sperm cells.

Answer 2

Answer: In human, trisomy of 21st Chromosome leads to 'Down Syndrome'

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