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The inbreeding depression in synthetic and composite varieties is
Question

The inbreeding depression in synthetic and composite varieties is

A.

High

B.

Low

C.

Medium

D.

Very high

E.

Answer not known

Correct option is B

Synthetic and composite varieties are developed from open-pollinated lines.
They maintain a high level of heterozygosity. Inbreeding depression is reduced due to genetic diversity.
Such varieties tolerate selfing better than hybrids. Therefore, inbreeding depression is generally low.
This is a key advantage of synthetic varieties. Hence, option (b) is correct.

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