First slide

Genetic Disorders

Question

Down's syndrome in humans is due to

Easy

A

three ' X' chromosomes
B

three copies of chromosome 21
C

monosomy
D

two 'Y' chromosomes.

Solution

Down’s syndrome is due trisomy of chromosome 21 (three copies of chromosome 21). Turner’s syndrome is due to monosomy (44+X0). Two Y chromosomes are present in case of Jacob’s syndrome (44+XYY).

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App