A: A single large mutation called saltation c | vedclass

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(C) The Assertion is correct because Hugo de Vries proposed the mutation theory,stating that large,sudden,and heritable changes (saltation) can lead t

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Assertion is correct,but Reason is incorrect.

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(C) The Assertion is correct because Hugo de Vries proposed the mutation theory,stating that large,sudden,and heritable changes (saltation) can lead to speciation.The Reason is incorrect because mutations are random and non-directional,meaning they do not occur in a specific direction to achieve a goal; rather,natural selection acts upon these random variations.

$A$: $A$ single large mutation called saltation can produce new species.
$R$: Mutations are directional.

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$A$: $A$ single large mutation called saltation can produce new species.$R$: Mutations are directional.