fbpx
Select Page

The 2 best-read circumstances are found inside ruffs (Philomachus pugnax) plus in white-throated sparrows (Zonotrichia albicollis)

The 2 best-read circumstances are found inside ruffs (Philomachus pugnax) plus in white-throated sparrows (Zonotrichia albicollis)

Immediately following good inversion begins to give into the a people, several mechanisms get prevent it of attending obsession, thereby maintaining the fresh new polymorphic state at the certain harmony regularity. New wavelengths of all of the known inversion polymorphisms within this an excellent types vary latitudinally [18, 27–30], in your area , otherwise seasonally , seem to as a result so you’re able to a changing ecosystem. Although not, there are also types of polymorphisms within unmarried populations that could getting normalized thru frequency-established (disruptive) possibilities [17, 32–34], antagonistic pleiotropy , lover possibilities [36, 37], recessive deleterious mutations captured by otherwise accumulating with the upside down haplotype (“associative overdominance” [23, 38]), overdominance (i.e., this new heterokaryotypic individuals have high fitness than just each other homozygotes [38, 39]), or significantly less than numerous scenarios involving segregation deformation [forty, 41]. (más…)