Table 3 The different genotypes for α-thalassemia with the number of α-globin genes and the estimated relative fitnesses of genotypes αα/αα, –α/αα and –α/–α from samples from Kenya and Papua New Guinea (Hedrick, 2011b)
Genotype | αα/αα | –α/αα | –α/–α or −−/αα | −−/–α | −−/−− |
|---|---|---|---|---|---|
Number of genes | 4 | 3 | 2 | 1 | 0 |
Relative fitness | |||||
Kenya | 0.945 | 0.986 | 1 | w 1 | 0 |
Papua new guinea | 0.922 | 0.938 | 1 | w 1 | 0 |
