Question

Chromosomes that determine male sex in Melandrium plant is [DPMT 2004]
A) Y chromosome
B) X chromosome
C) XX chromosome
D) None of these

Answer 1

A) Y chromosome

The Y chromosome plays a crucial role in the sex determination of Melandrium album. The Y chromosome contains male determining genes and female suppressing genes, both are necessary for the development and maturation of fertile anthers in the male plants.


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Answer 2

c) Xx chromosome..

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