Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Operation of the Double Invasion System. The conventions of Figure 4a apply to the case of double invasion, which might occur in a heterozygous diploid organism. (b) Statistics for Double Invasion. The results are less dramatic than in Figure 4b, but are nevertheless quite clear-cut. The conventions of Figure 4b apply.
