Select the incorrect statement. AInbreeding increases homozygosity. BInbreeding selects harmful recessive genes that reduce fertility and productivity. CInbreeding is essential to evolve pure lines in any animal. DInbreeding helps in accumulation of superior genes and elimination of undesirable genes.

Correct option is C. Inbreeding selects harmful recessive genes that reduce fertility and productivity. Inbreeding exposes harmful recessive genes that are eliminated by selection. It also helps in the accumulation of superior genes. However, close and continues inbreeding usually reduces fertility and even productivity. So, the correct answer is 'Inbreeding selects harmful recessive genes that reduce fertility and productivity'.