How small can a population get before inbreeding becomes intolerable?

F = 1 + 1

8F 8M

If F = 0.01 is a tolerable level of inbreeding, then

.01 = 1 + 1 so F = 25 and M = 25

8F 8M or, Ne = 50

60a

Magic number!

Previous slide

Next slide

Back to first slide

View graphic version