SEX DETERMINATION, SEX RATIOS, AND GENETIC CONFLICT
نویسندگان
چکیده
منابع مشابه
Sex Determination, Sex Ratios and Genetic Conflict
Genetic mechanisms of sex determination are unexpectedly diverse and change rapidly during evolution. We review the role of genetic conflict as the driving force behind this diversity and turnover. Genetic conflict occurs when different components of a genetic system are subject to selection in opposite directions. Conflict may occur between genomes (including paternal-maternal and parentalzygo...
متن کاملI-40: The Genetic Complexities of Human Sex-Determination
Background - MaterialsAndMethods N;Results N;Conclusion N;
متن کاملGenetic conflict and sex chromosome evolution.
Chromosomal sex determination systems create the opportunity for the evolution of selfish genetic elements that increase the transmission of one sex chromosome at the expense of its homolog. Because such selfish elements on sex chromosomes can reduce fertility and distort the sex ratio of progeny, unlinked suppressors are expected to evolve, bringing different regions of the genome into conflic...
متن کاملDo operational sex ratios influence sex allocation in viviparous lizards with temperature-dependent sex determination?
Under certain environmental situations, selection may favour the ability of females to adjust the sex ratio of their offspring. Two recent studies have suggested that viviparous scincid lizards can modify the sex ratio of the offspring they produce in response to the operational sex ratio (OSR). Both of the species in question belong to genera that have also recently been shown to exhibit tempe...
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: Annual Review of Ecology and Systematics
سال: 1998
ISSN: 0066-4162
DOI: 10.1146/annurev.ecolsys.29.1.233