A - Inbreeding is necessary to produce pure h | vedclass

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(A) Inbreeding refers to the mating of more closely related individuals within the same breed for $4-6$ generations.Inbreeding increases homozygosity,

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$A$ and $R$ both are correct.

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(A) Inbreeding refers to the mating of more closely related individuals within the same breed for $4-6$ generations.Inbreeding increases homozygosity,which is necessary to evolve a pure line in any animal.It exposes harmful recessive genes that are eliminated by selection.It also helps in the accumulation of superior genes and the elimination of less desirable genes.Therefore,both the assertion $(A)$ and the reason $(R)$ are correct,and $R$ is the correct explanation of $A$.

$A$ - Inbreeding is necessary to produce pure homozygous lines.
$R$ - Due to this,superior genes are accumulated.

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$A$ - Inbreeding is necessary to produce pure homozygous lines.$R$ - Due to this,superior genes are accumulated.