Climatic factors and species range position predict sexually antagonistic selection across taxa
نویسندگان
چکیده
منابع مشابه
Sexually Antagonistic Selection in Human Male Homosexuality
Several lines of evidence indicate the existence of genetic factors influencing male homosexuality and bisexuality. In spite of its relatively low frequency, the stable permanence in all human populations of this apparently detrimental trait constitutes a puzzling 'Darwinian paradox'. Furthermore, several studies have pointed out relevant asymmetries in the distribution of both male homosexuali...
متن کاملSexually antagonistic selection on primate size
Male intrasexual selection in haplorhine primates has previously been shown to increase male size and to a lesser degree also female size. I address the following questions: (1) why does female size increase when the selection is on males, and (2) why does female size not increase to the same extent as that of males. The potential for correlational selection on females through increased resourc...
متن کاملHuman homosexuality: a paradigmatic arena for sexually antagonistic selection?
Sexual conflict likely plays a crucial role in the origin and maintenance of homosexuality in our species. Although environmental factors are known to affect human homosexual (HS) preference, sibling concordances and population patterns related to HS indicate that genetic components are also influencing this trait in humans. We argue that multilocus, partially X-linked genetic factors undergoin...
متن کاملSupporting Information for ‘ Sexually antagonistic selection in human male homosexuality
1. The selection equation 1.1 Random mating with direct selection For either a single or multiple locus system with N female genotypes and M male genotypes, let xi and yj (i=1,...,N, j=1,...,M) be respectively the female and male genotype proportions in the population. We assume that the phenotypic expression of the GFMH affects the fitness of carriers, viewed either as mating success (i.e., th...
متن کاملSexually antagonistic chromosomal cuckoos.
The two kinds of sex chromosomes in the heterogametic parent are transmitted to offspring with different sexes, causing opposite-sex siblings to be completely unrelated for genes located on these chromosomes. Just as the nest-parasitic cuckoo chick is selected to harm its unrelated nest-mates in order to garner more shared resources, sibling competition causes the sex chromosomes to be selected...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Philosophical Transactions of the Royal Society B: Biological Sciences
سال: 2018
ISSN: 0962-8436,1471-2970
DOI: 10.1098/rstb.2017.0415