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Poecilia

poecilia

A genus of livebearing cyprinodont fish comprising the guppy and molly. Some species are virtually all female and depend on sperm from other species to stimulate egg development. Poecilia is used in carcinogenicity studies as well as neurologic and physiologic research.


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Need help creating an experimental idea ASAP!

... to create two experiments to help prove the following. One being genetic based, and the other size-dependent adaptive based. 1. The sailfin molly, Poecilia latipinna, is an interesting freshwater fish possessing internal fertilization. In this species, males either court females or attempt forced ...

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by Cerebral_Artist
Wed Nov 14, 2007 7:33 am
 
Forum: General Discussion
Topic: Need help creating an experimental idea ASAP!
Replies: 3
Views: 2311

homologous sex chromosomes

... reply. The paucity of genes on Y is certainly true for humans and species with truncated Y chromosomes. I'm wondering about certain fish (e.g., poecilia reticulata), where the Y definitely contains genes/alleles which control color patterns and other male ornamental characteristics. In this ...

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by Aggie2
Wed Aug 22, 2007 4:28 pm
 
Forum: Genetics
Topic: homologous sex chromosomes
Replies: 5
Views: 3318


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