Phylogenetic analysis of the evolution of lactose digestion in adults

Human Biology Vol/Iss. 81(5/6) Wayne State University Press Published In Pages: 597-619
By Holden, Clare, Mace, Ruth

Hypothesis

There is positive selection for high lactose digestion capacity among adults in populations living in drier environments (615).

Note

Aridity was estimated by the number of months per year with less than 50 ml of rainfall in the area inhabited by each population.

Test

Test NameSupportSignificanceCoefficientTail
UNKNOWNNot SupportedUNKNOWNUNKNOWNUNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
High Lactose DigestionDependentGenetics
AridityIndependentClimate