Mark the incorrect statement for inbreeding.

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

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Inbreeding depression increases productivity.

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(A) Inbreeding refers to the mating of more closely related individuals within the same breed for $4-6$ generations. Continuous inbreeding,especially close inbreeding,usually reduces fertility and productivity,a phenomenon known as inbreeding depression. Therefore,the statement that 'Inbreeding depression increases productivity' is incorrect. Inbreeding increases homozygosity,which is necessary for the evolution of purelines in cattle. Inbreeding depression can be overcome by outcrossing,which involves mating animals of the same breed that have no common ancestors on either side of their pedigree up to $4-6$ generations.

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