SCIENCE
INBREEDING is the mating of individuals which are close genetic relatives. Examples are brother to sister, mother to son and grandparents to grandchildren. In humans, it is well known that such breeding can lead to recessive traits. Yet in the animal world, inbreeding is a widespread occurrence throughout nearly all animal groups.
What is interesting is that in the animal world we do not see a lot of the mutations that are documented in humans. In fact, in some isolated species of birds, inbreeding has contributed to their
