Question

Outcrossing is the introduction of an unrelated genetic material from one group of individuals into another. What is a possible disadvantage of outcrossing to the group which receives the genetic material?
A)
The group loses all of its original traits.
B)
The genetic diversity of the group is reduced.
C)
The genetic material may be rejected by the group.
D)
A disease in recessive form could be introduced into the group.