Date: Tue, 6 Jun 2000 10:21:49 -0700 From: Ivan Snyder <bioexp@juno.com> To: cp@opus.hpl.hp.com Message-Id: <aabcdefg1727$foo@default> Subject: re: Chromosome numbers
>Date: Sun, 04 Jun 2000 18:16:41 -0500
>From: "Muad'Dib" <muaddib@interconnect.net>
>I have heard some about chomosome numbers: 20 in D. rotundafolia and D.
>linearis, and 40 in D. anglica. Is this 2n = 20 or n = 20? I figure it
>to be 2n = 20, but you never know.
Here is what makes it most easy to remember. All North American sundews
except D. anglica have 2n = 20 chromosomes. D. anglica is an
allopolyploid, >D. rotundifolia X linearis with a doubled number. This
makes D. anglica 2n = 40. The hybrid form, D. x anglica, has 2n = 20 as
does both parents. That help?
-Ivan
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