Cryptic Female Choice? - Brand New Research! -How Feminism Rules in Endler & Guppy Sexual Selection
New Italian reseach explains how guppies, endlers and other livebearers avoid interbreeding with close family members. This information has amazing aquarium hobby implications, from meaning that we dont need to worry about inbred guppies as long as we introduce at least 2 blood lines. Also this shows that ultimately the female of the species is in almost total control of her offspring selection through cryptic female selection or choice. So how do they choose which mate's sperm packet will fertilize their eggs and reproduce with them? by using a chemical known as "OF" which slows the motility of sperm and thus allows specific sperm cells to fertilize the available eggs ahead of any less desirable ones.
the craziest part? no many how many times she is "violated by male guppies forcing themselves on her, she will be able to get rid of their DNA
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Crazy Cool New Research on Guppies + More Guppy History wild guppies, live bearers, endlers, mollies, sword tails. Breeding fish. And as always Question and Answer.
21 июл 2024