Table 1 (a) Litter size and (b) standardized fitnesses for different genotypes for arctic foxes in good and bad years and (c) standardized fitnesses for female-only selection

From: Cyclic fitness variation and polymorphism: Cycling selection for litter size in arctic foxes

Environment

Genotype

 

A1A1

A1A2

A2A2

(a) Litter size

 Good

12

12

8

 Bad

12

12

8k

(b) Standardized

 Good

1

1

0.6667

 Bad

1

1

0.6667k′

(c) Standardized with female-only selection

 Good

1

1

0.8333

 Bad

1

1

0.8333k″