From owner-drosophila@net.bio.net Thu Nov 16 22:00:00 1995
Path: biosci!rutgers!uwm.edu!spool.mu.edu!torn!newshost.uwo.ca!aps2.genetics.uwo.ca!user
From: jbondy@julian.uwo.ca (Julie Bondy)
Newsgroups: bionet.drosophila
Subject: Re: confusing lab results
Date: Fri, 17 Nov 1995 09:29:37 +0700
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Message-ID: <jbondy-1711950929370001@aps2.genetics.uwo.ca>
References: <013378l.1.30A9E082@axe.acadiau.ca>
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In article <013378l.1.30A9E082@axe.acadiau.ca>, 013378l@axe.acadiau.ca
(LARA LAWSON) wrote:

> I attempted a drosphila cross between wild breed and vestigal winges. When I 
> examined the F1 generation the outcome was 100%vestigal. This seems
impossible 
> because the vestigal trait is recessive and the wild dominant. If anyone has 
> any way of explaining this please answer.

   1) Are you sure that this trait is recessive?

   2) Who were the females in the cross?  If it was the vestigial-winged
flies, are you sure they were virgins?  If they weren't, then their
offspring would be the result of vestigial x vestigial.

.