X -chromosome or X - body was first observed by.............

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4.Principles of Inheritance and Variation

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$X$ -chromosome or $X$ - body was first observed by.............

A

Mendel $(1901)$

B

Castle $(1910)$

C

Henking $(1891)$

D

Bateson $(1906)$

Solution

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Standard 12

Biology

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(AIIMS-2015)