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Article #1162Re: FISH: sex ratio of 1 male : 100 females, why?
From: Greg Frazier
Date: Fri, 28 Sep 1990 14:32
Date: Fri, 28 Sep 1990 14:32
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In article <1990Sep27.142437.21755@newcastle.ac.uk> J.M.Spencer@newcastle.ac.uk (J.M. Spencer) writes:
>Questions:
>
>1. How do the fish know when they have the correct ratio?
> i.e. how do they discriminate between 1:90 and 1:100?
>
>2. What survival advantage does the species gain from this?
Loren gave a great answer to this, to which I will just at
that an obvious survival advantage is that one male (fish) can cover
90 to 100 females, so there is no point in having more males.
--
"They thought to use and shame me but I win out by nature, because a true
freak cannot be made. A true freak must be born." K. Dunn, _Geek_Love_
Greg Frazier frazier@CS.UCLA.EDU !{ucbvax,rutgers}!ucla-cs!frazier
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!sdd.hp.com!elroy.jpl.nasa.gov!ucla-cs!oahu!frazier From: frazier@oahu.cs.ucla.edu (Greg Frazier) Newsgroups: sci.bio Subject: Re: FISH: sex ratio of 1 male : 100 females, why? Message-ID: <39456@shemp.CS.UCLA.EDU> Date: 28 Sep 90 14:32:26 GMT References: <1990Sep27.142437.21755@newcastle.ac.uk> Sender: news@CS.UCLA.EDU Organization: UCLA Computer Science Department Lines: 16