Title |
Sexually Antagonistic Zygotic Drive: A New Form of Genetic Conflict between the Sex Chromosomes
|
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Published in |
Cold Spring Harbor Perspectives in Biology, January 2015
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DOI | 10.1101/cshperspect.a017608 |
Pubmed ID | |
Authors |
Urban Friberg, William R. Rice |
Abstract |
Sisters and brothers are completely unrelated with respect to the sex chromosomes they inherit from their heterogametic parent. This has the potential to result in a previously unappreciated form of genetic conflict between the sex chromosomes, called sexually antagonistic zygotic drive (SA-ZD). SA-ZD can arise whenever brothers and sisters compete over limited resources or there is brother-sister mating coupled with inbreeding depression. Although theory predicts that SA-ZD should be common and influence important evolutionary processes, there is little empirical evidence for its existence. Here we discuss the current understanding of SA-ZD, why it would be expected to elude empirical detection when present, and how it relates to other forms of genetic conflict. |
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