WebOne explanation is that they simply represent gene flow that occurs between the cryptic species. From the Cambridge English Corpus. The cryptic female choice hypothesis, in … WebAug 4, 2008 · Cryptic female choice (CFC) is defined as mate choice that occurs after mating or spawning (Thornhill 1983; Eberhard 1996).It has recently been suggested that CFC may be widespread when females rely on sperm selection to increase the genetic quality of their offspring (Jennions and Petrie 2000; Neff and Pitcher 2005).Nonetheless, …
Defending eugenics : From cryptic choice to conscious …
WebDec 21, 2024 · Postcopulatory selection is an evolutionary process based on sperm competition and cryptic female choice. Sexual Selection While natural selection favors genes that aid survival, sexual selection results in the evolution of traits that give individuals an advantage in gaining access to and mating with members of the opposite sex. Cryptic female choice is a form of mate choice which occurs both in pre and post copulatory circumstances when females in certain species use physical or chemical mechanisms to control a male's success of fertilizing their ova or ovum; i.e. by selecting whether sperm are successful in fertilizing their … See more Females not only exert sexual control but also benefit from exerting such control over male reproductive success. It has been observed that in some species males continue to court females following copulation, which … See more Many mechanisms exist in the animal world that allow females to practice cryptic female choice by manipulating which reproductive events … See more The wide variety of species around the world provides us with many examples of each mechanism of cryptic female choice. This section provides a more detailed example of a few of … See more chronic thyroiditis
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WebJun 10, 2024 · Mate choice can continue after mating via chemical communication between the female reproductive system and sperm. While there is a growing appreciation that females can bias sperm use and paternity by exerting cryptic female choice for preferred males, we know surprisingly little about the mechanisms underlying these post-mating … Webyear. BCBSGa offers you the choice of an Individual plan (for you alone) or a Family plan (for more than one person). You may choose from the following deductible options: 2006 … WebMar 12, 2024 · The term cryptic is applied because this form of female choice can be hard to observe (e.g., when it occurs inside the female reproductive tract) and hard to quantify … derivative of 2 3x