Down's syndrome is due to trisomy of 21st chromosome caused by

Trisomy of chromosome 21 causes:

Who reported that Down's syndrome is due to extra 21st chromosome

Trisomy of 21st chromosome in human causes -

Trisomy of 21st chromosome results in

A human being suffering from Down's syndrome shows trisomy of 21st t chromosome. Mention the cause of this chromosomal abnormality.

Down's syndrome is the result of trisomy of which chromosome ?

State whether the following statement. is true or false. If false, rewrite it by changing the word underlined. Down's syndrome is caused by the trisomy of the 10th chromosome.

Trissomy of 21st chromosome results in

A human being suffering from Down's Syndrome shows trisomy of 21^(st) chromosome. Mention the cause of this chromosomal abnormality.

A human being suffering from Down's Syndrome shows trisomy of 21^(st) chromosome. Mention the cause of this chromosomal abnormality.