A farmer continually breeds his prize steer with the steer's own offspring. He is trying to make his herd healthier and stronger. Will he be successful?
A.
Yes, because breeding closely related individuals gives them better genes.
B.
No, because breeding closely related individuals often results in harmful traits.
C.
No, because the variability in the alleles of genes of his herd will only go up.
D.
Yes, because the good genes of his prize steer will be dominant to all other genes.