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Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation2 Marks
Question
Differentiate between Down's syndrome and Turner's syndrome.
✓

Answer

S.No
Down's Syndrome
Turner's Syndrome
1.
It is due to trisomy of 21st chromosome.
It is due to monosomy of X-chromosome.
2.
It is an autosomal disorder and the affected individual is a male or a female.
It is a sex chromosomal disorder and the affected individual is a female.
3.
The total number of chromosomes in the body is 47.
The total number of chromosomes in the body is 45.

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