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Select the incorrect statement.

1. Inbreeding increases homozygosity.
2. Inbreeding is essential to evolve purelines in any animal.
3. Inbreeding selects harmful recessive genes that reduce fertility and productivity.
4. Inbreeding helps in accumulation of superior genes and elimination of undesirable genes.

Correct answer: Inbreeding selects harmful recessive genes that reduce fertility and productivity.

Solution

Inbreeding increases homozygosity and can help fix desirable traits, but it also exposes harmful recessive alleles, often causing inbreeding depression. The incorrect statement is the one claiming inbreeding 'selects' harmful recessive genes, because it mainly reveals them rather than favoring them.

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