Cryptic female choice
WebThe term cryptic female choice was coined by Randy Thornhill (Thornhill 1983) to describe events occurring after the onset of copulation that determine the extent to which a female makes use of a male's sperm. Eberhard's new book (Female Control: Sexual Selection by Cryptic Female Choice) focuses on cryptic female choice and its importance to ... WebDiscrimination among males during or after copulation is called cryptic female choice because it occurs after intromission, the event that was formerly used as the definitive criterion of male reproductive success and is therefore usually difficult to detect and confirm.
Cryptic female choice
Did you know?
WebApr 7, 2013 · CRYPTIC FEMALE CHOICE By N., Sam M.S. a procedure wherein females mate with many males but decide specifically which male's sperm will be the one to fertilize their eggs, hiding such choices from the males. This procedure permits females more control over mate preference. WebMay 1, 2024 · Cryptic female choice (CFC) represents postmating intersexual selection arising from female-driven mechanisms at or after mating that bias sperm use and impact male paternity share. Although biologists began to study CFC relatively late, largely spurred by Eberhard’s book published 20 years ago, the field has grown rapidly since then.
WebIt is important to distinguish between cryptic female choice and facultative parthenogenesis, a form of asexual reproduction. Due to the female's ability to get pregnant long after she has been in contact with a male, it is … WebApr 12, 2024 · It is unclear, however, whether this increased investment in large females has any impact on the males’ later matings. We mated D. melanogaster males sequentially to females of large or small body size in all possible combinations to test whether cryptic male mate choice for large females is costly to the males’ subsequent matings. Second ...
WebMay 26, 2015 · Cryptic female choice may be common among crustaceans , but few studies have thoroughly examined it in this diverse taxonomic group. Herein, we summarize current genetic evidence for multiple ... WebMay 1, 2024 · Cryptic female choice (CFC) represents postmating intersexual selection arising from female-driven mechanisms at or after mating that bias sperm use and …
WebFemale choice in the Australian scorpionfly Harpobittacus nigriceps, a species in which males provide females with a nuptial arthropod gift during mating, was studied in the field and laboratory. Female choice before mating occurs in H. nigriceps and there is considerable evidence of its occurrence during and after mating in this species.
WebMost of this book reduces to a single argument—that cryptic female choice is a common feature of evolution. The likely effects of many possible mechanisms of cryptic female … bivalent moderna vaccine information sheetWebInfectious Disease Medicine • Female • Age 49. Dr. Laura Broyles, MD is an Infectious Disease Specialist in Atlanta, GA and has over 25 years of experience in the medical … bivalent omicron booster near meWebJan 1, 2015 · Cryptic female choice is a likely cause of such pronounced male and female genital complexity (Eberhard 1996; Hosken and Stockley 2004). Since spider females are predatory and generally larger than their males, male physical sexual coercion is unlikely to occur, despite the fact that courtship in some species may appear fierce (Sentenská, Uhl ... dated mailWebJan 1, 2015 · Cryptic female choice , which can be broadly defined as female-controlled mechanisms during and following copulation allowing females to bias fertilization … bivalent is clearly visible inWebJun 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... dated kitchen decorWebJun 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 … datedmeme newgroundsWebMar 30, 2016 · (a) Evidence for cryptic female choice In this study, we found that when the sperm of two male chinook salmon compete to fertilize a clutch of eggs, one of the males … dated mass