Table 1.
Estimated number of sex alleles based on the production of diploid males. The transition from significant to non-significant differences gives the minimum number of sex alleles in the population
| Expected | Observed | ||||||
|---|---|---|---|---|---|---|---|
| N | Diploid | Not Diploid | Diploid | Not Diploid | χ2 | Significance | |
| B. terrestris | 31 | 3·8 | 55·2 | 0 | 59 | 3·9264 | * |
| Native | 32 | 3·7 | 55·3 | 0 | 59 | 3·8198 | n.s. |
| UK | |||||||
| B. lucorum | 30 | 3·8 | 53·2 | 0 | 57 | 3·931 | * |
| Native | 31 | 3·7 | 53·3 | 0 | 57 | 3·8241 | n.s. |
| UK | |||||||
| B. hypnorum | 3 | 8·7 | 4·3 | 3 | 10 | 4·9983 | * |
| Invasive | 4 | 6·5 | 6·5 | 3 | 10 | 2·0319 | n.s. |
| UK | |||||||
| B. hypnorum | 6 | 4·0 | 6·0 | 0 | 10 | 3·9521 | * |
| Non-invasive | 7 | 3·3 | 6·7 | 0 | 10 | 3·3918 | n.s. |
| Scandinavian | |||||||
*
P < 0.05.
‘N’ is the number of sex alleles and each row refers to a given number of sex alleles for each species.
The bold shows the minimum estimate for the number of sex alleles in the population.