Table 1

Coefficients of relatedness for a haplodiploid female for various female and male relatives

Full sibling

Half sibling

Own offspring

Offspring of full sister

Offspring of half sister

Mother related by r_qq, father unrelated

Females

average

3/4

1/4

1/2

3/8

1/8

r_qq/4

patrigenic

1

0

1/2

1/2

0

0

matrigenic

1/2

1/2

1/2

1/4

1/4

r_qq/2

Males

average

-

1/2

1

3/4

1/4

r_qq/2

patrigenic

-

0

1

1

0

0

matrigenic

-

1

1

1/2

1/2

r_qq

These are regression coefficients that do not include reproductive value differences between males and females. The last column is for relationships like cousins, with mothers related by r_qq = 3/4 and fathers unrelated.

Queller BMC Evolutionary Biology 2003 3:15   doi:10.1186/1471-2148-3-15