STANDARDZoology-Reproductive Health
STANDARD Zoology Sex Determination MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Foetal sex can be determined by examining cells from the amniotic fluid by looking for
A
Barr bodies
B
Autosomes
C
Chiasmata
D
Kinetochore
Correct Answer
Option A
Detailed Explanation
A Barr body is the inactive X chromosome in a female somatic cell only. Thus it is used for sex determination in fetus.
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