This is due a phenomenon called «hybrid vigor,» which refers to the robust health and hardiness of animals from a wide and
varied gene pool.
5 One leading hypothesis suggests that sex won out over DIY as a defense against parasites, which would be less harmful in
a varied gene pool.
The more
varied the gene pools are, the higher the chance for healthy, strong offspring.
Not exact matches
A
gene pool is closed when the
genes it englobes can not become more
varied, even if there are more dogs, their genetic material was inherited from a closed group.