A : Continued self-pollination checks inbreed | vedclass

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(D) Assertion $(A)$ is incorrect because continued self-pollination leads to inbreeding depression,not checks it. Inbreeding depression is the reducti

Vedclass · Accepted Answer

Both Assertion and Reason are incorrect.

Vedclass · Answer

(D) Assertion $(A)$ is incorrect because continued self-pollination leads to inbreeding depression,not checks it. Inbreeding depression is the reduction in fitness and vigor due to the accumulation of harmful recessive alleles in a population.Reason $(R)$ is correct because in many self-pollinating plants,pollen release and stigma receptivity are synchronized to ensure successful self-pollination.Therefore,the correct option is $D$.

$A$ : Continued self-pollination checks inbreeding depression.
$R$ : Pollen release and stigma receptivity are synchronised.

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$A$ : Continued self-pollination checks inbreeding depression.$R$ : Pollen release and stigma receptivity are synchronised.