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.
Model 2: Kin selection where surviving brothers benefit sisters by sKS♂.
| Family | Fitness | ||||
|---|---|---|---|---|---|
| Sire | Dam | Frequency | Family | Sons | Daughters |
| C1 | C1 | P♂P♀+Q♂P♀f | 1 + sKS♂ (1 + s♂) | 1 + s♂ | 1 + s♀ |
| C1 | C2 | P♂Q♀(1-f) | 1 | 1 | 1 |
| C2 | C1 | Q♂P♀(1-f) | 1 + sKS♂ (1 + s♂) | 1 + s♂ | 1 + s♀ |
| C2 | C2 | Q♂Q♀+P♂Q♀f | 1 | 1 | 1 |
