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Path: utzoo!linus!decvax!ucbvax!ucdavis!lll-crg!seismo!cmcl2!lanl!unm-la!unmvax!nmtvax!shipman
From: shipman@nmtvax.UUCP
Newsgroups: net.bio
Subject: Re: Morphological Asymmetry
Message-ID: <772@nmtvax.UUCP>
Date: Fri, 20-Sep-85 12:07:36 EDT
Article-I.D.: nmtvax.772
Posted: Fri Sep 20 12:07:36 1985
Date-Received: Wed, 25-Sep-85 08:21:14 EDT
References: <295@ihnet.UUCP>
Distribution: net
Organization: Zoological Data Processing
Lines: 16
Summary: One paramecium-size answer, one mammoth-size question

> From: eklhad@ihnet.UUCP (K. A. Dahlke)
> What about that funny fish with his eyes on one side?
> Is it always the same side?

I remember hearing that there are two taxa of flounders, left-
eyed and right-eyed.

> What biological mechanism begins the asymmetry in the 
> developing embryo?

A more general question: how do cells in the embryo know "where
they are" on the body plan?  How does a cell know it's going to
be part of a big toe and not an eyelid?  I've been trying to
find someone who will venture an answer to this one for years.
-- 
John Shipman/Zoological Data Processing/ucbvax!unmvax!nmtvax!shipman


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