Select the incorrect statement regarding inbreeding:

The correct option is D

Inbreeding selects harmful recessive genes that reduce fertility and productivity

The correct option is option D.

Explanation for correct option:

1. Inbreeding is breeding between closely related individuals or different individuals of the same breed.
2. It involves selecting genes from the superior male and superior female from the species.
3. Hence it eliminates the harmful genes of the species which reduce fertility and productivity.

Explanation for incorrect options:

Option A:

1. Inbreeding involves mating between the superior male and the superior female.
2. Thus it selects the superior genes from both the sexes.

Option B:

As only superior males and females are used for mating in the first generation continued inbreeding leads to homozygosity.

Option C:

As inbreeding leads to homozygosity it is essential to evolve pure lines in any animal.

Final answer: The incorrect statement regarding inbreeding is inbreeding selects harmful recessive genes that reduce fertility and productivity.