We further tested how sexual dimorphism and the mode of selection operating on the trait relate to the proportion of sex-linked genetic variance. Sexually selected traits did not show higher h2Z than morphological traits and there was only a weak positive relationship between h2Z and sexual ...
This study investigated the etiology of autistic-like traits in the general population and the etiological overlap between the three aspects of the triad o... A Ronald,F Happé,P Bolton,... - 《Journal of the American Academy of Child & Adolescent Psychiatry》 被引量: 1104发表: 2006年 Rare...
Background Information: Sex-linked traits are those whose genes are found on the X chromosome but not on the Y chromosome. In humans the X chromosomes are much larger than the Y chromosome and contains thousands of more genes than the Y chromosome. For each of the genes that are exclusively...
Oviposition and egg quality traits of dwarf and naked neck layers Oviposition and egg quality traits were studied in dwarf and naked neck layers in Maputo (Mozambique) during a 28-d period at 35 weeks of age. Birds were c... A Garcês,NH Casey - 《South African Journal of Animal Science...
During human evolution, men and women faced distinct adaptive problems, including pregnancy, hunting, childcare, and warfare. Due to these sex-linked adaptive problems, natural selection would have favored psychological mechanisms that oriented men and women toward forming friendships with individuals posse...