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Continued self pollination results in:...

Continued self pollination results in:

A

inbreeding depression

B

self incompatibility

C

hybrid vigour

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
A
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A: continued self pollination checks inbreeding depression R: pollen release and stigma receptivity are synchornised

Assertion: Continued self-pollination generation after generation results in pure line formation. Reason: By continued self-pollination, plant becomes pure or homozygous for its characters.

Pollination is

Contrivance for self pollination is

A true breeding line is one that, having undergone continuous self pollination, shows the stable trait inheritance and expression for several generations,

Assertion: Cross-pollination results in healthy and stronger offspring. Reason: Due to phenomenon of hybrid vigour.

The devices to discourage self pollination are

Device for self - pollination is :

For self pollination flower must be: