Class 12 Biology Principles of Inheritance and Variation Chromosomal disorders

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What is the sex chromosome complement in a male child with Down syndrome?

AIPMT 1990 All AIPMT

A
$XO$
B
$XY$
C
$XX$
D
$XXY$

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Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Chromosomal disorders

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