Cryptic female choice meaning
WebCryptic 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 eggs or not. It occurs in internally … WebThe term “cryptic” is used to describe an internal, and thereby hidden, process that females employ to choose the sperm from males that they prefer. The research suggests that …
Cryptic female choice meaning
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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 … 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 …
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 … See more WebApr 22, 2024 · The term is called “cryptic” because this form of female choice can be hard to observe, for example, in internal fertilizing species. Cryptic female choice is the part of …
Webchoice and is the focus of this review" (p. 1213). This results in his proposing very narrow criteria for demonstrating what is usually treated as a broader phenomenon. Finally, Birkhead returns in his discussion to the broader definition in appar-ently equating sperm choice with cryptic female choice (p. 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 …
WebDec 31, 2024 · Cryptic female choice refers to any physical or chemical process whereby females mate with multiple males and manipulate which sperm fertilise available ova after copulation has begun and/or ended ...
WebEberhard (1996) has identified 20 different ways by which cryptic female choice may occur and has defined it thus: "Sexual selection by cryptic female choice can result from a … cirrus logic software manager austinWebElectronic address: [email protected]. 2 Centre for Evolutionary Biology, University of Western Australia, 35 Stirling Hwy, Perth, WA 6009, Australia. 3 Biological … cirrusmd phone numberWebMay 1, 2024 · Figure 1. Sexual Selection by Cryptic Female Choice (CFC). (A) CFC is a postmating episode of intersexual selection on males. Premating episodes of sexual selection, as they were formalized by Darwin in the Descent of Man [1], act on variance in male access to different females and their eggs (small ovals grouped into separate … diamond painting mit eigenem fotoWebJun 10, 2024 · In particular, whether chemical signals released from eggs (chemoattractants) allow females to exert cryptic female choice to favour sperm from specific males remains an open question, particularly in species (including humans) where adults exercise pre-mating mate choice. cirrus logic superior highWebOct 22, 2013 · Furthermore, cryptic female choice is notoriously difficult to study owing to difficulties in controlling for precopulatory mechanisms, disentangling male- from female-driven processes, and distinguishing between differential sperm use and differential zygote mortality as sources of paternity bias [30,31]. diamond-painting-mit-herzWebMar 12, 2024 · Cryptic female choice is a relatively young research topic (it first started properly after the publication of Eberhard’s seminal book Female Control: Sexual … cirrus materialsWebCryptic 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 … diamond painting mit herz facebook