The biogeographic origins of novelty-seeking traits

Migratory distance from East Africa will be positively associated with between-population DRD4 exon III expected heterozygosity (2).

Controlled for latitude, proportion of dedicated pastureland, elevation, and land suitability.

Test
Test Name	Support	Significance	Coefficient	Tail
Linear regression	Supported	p = 0.01	`UNKNOWN`	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
DRD4 expected heterozygosity	Dependent	Genetics
Migratory distance from East Africa	Independent	Historical Reconstruction

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Gören, Erkan	2016	Fraction of land dedicated to pasture will be positively associated with between-population DRD4 exon III expected heterozygosity (7).	Supported	2	Cite Related Hypotheses More By Author
Chen, Chuansheng	1999	Population level variation in DRD4 alleles is attributable to general bottleneck effects that also acted on non-DRD4 genes (317).	Not Supported	2	Cite Related Hypotheses More By Author
Chen, Chuansheng	1999	Populations which have remained near their origin will show a lower proportion of long alleles of DRD4 than those that migrated further away (312).	Supported	2	Cite Related Hypotheses More By Author
Chen, Chuansheng	1999	Population-level variation in DRD4 alleles is a result of the distributions of DRD4 alleles in founder groups (317).	Not Supported	2	Cite Related Hypotheses More By Author
Betti, Lia	2018	There is less phenotypic diversity of the female birth canal with greater distance from sub-Saharan Africa.	Supported	2	Cite Related Hypotheses More By Author