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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Intralocus sexual conflict ： ウィキペディア英語版 Intralocus sexual conflict Throughout nature, males and females possess significantly different evolutionary interests, which are thought to be due to each sex occupying their different individual reproductive roles. The overall goal behind both sexes is reproductive success, which both genders acquire through different techniques. For example, males do not mind dispensing their sperm into random females since their sperm are biologically less costly to produce and are found in abundance. They invest little time in the development of their offspring, and invest more energy on attaining their next mate. Male reproductive success is limited by the number of females he mates with, and not by the number of sperm that is produced. On the contrary, reproductive success in females is limited by the amount of eggs that are produced. The number of offspring created cannot exceed the number of eggs a female possesses. Unlike sperm, eggs are biologically very costly and numbered. In order for females to increase their reproductive success, they invest more time in creating high quality offspring and being choosy. Both sexes choose their mates based on favorable traits that are indicative of their mate’s quality and fertility. Natural selection leads offspring to inherit favorable traits from each parent. This will make them likely to succeed in competition of resources and reproduction. However, traits that may be optimal for the fitness of one gender may not be optimal for the other.〔Pennell, Tanya M., and Edward H. Morrow. 2013. “Two Sexes, One Genome: The Evolutionary Dynamics of Intralocus Sexual Conflict.” Ecology and Evolution 3: 1819–34.〕 Since many organisms have a shared set of chromosomes, organisms are restricted from individually reaching optima for their individual sex. This as a result causes sex-specific reductions in fitness, and sexual conflict between males and females. ==Sexual Conflict== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Intralocus sexual conflict」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.