NEET-XII-Biology
P1 year:2019
- #124Select 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 genesdigAnsr: 3Ans : ( 3 )
Sol. Inbreeding exposes harmful recessive genes
that are eliminated by selection. It also helps
in accumulation of superior genes and
elimination of less desirable genes. Therefore
this is selection at each step, increase the
productivity of inbred population. Close and
continued inbreeding usually reduces fertility
and even productivity.