Re: Hybrids and fertility

From: Chris Frazier (cfrazie@unm.edu)
Date: Fri Sep 05 1997 - 14:23:54 PDT

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Date: Fri, 5 Sep 1997 15:23:54 -0600
From: cfrazie@unm.edu (Chris Frazier)
To: cp@opus.hpl.hp.com
Message-Id: <aabcdefg3396$foo@default>
Subject: Re: Hybrids and fertility

Jan wrote,

>There is definitely a difference at genetic level. Apart from
>(generally) 1/2 of the chromosomes in the nucleus, all intracellular
>compartments, incl. mitochondria and plastids and their respective
>DNA are inherited from the mother (female parent) plant.

Actually, about 18% of plant species surveyed appear to have biparental
plastid inheritance (Corriveau and Coleman 1988, Am. J. Bot. 75:1443-1458).
Dionaea and Drosera capillaris, the only carnivorous plants sampled, fall
in this group. The life history traits of Nepenthes suggest that it is
also a likely candidate for biparental inheritance as well (see Reboud and
Zeyl 1994, Heredity 72:132-140).

> Very much is written and told, and only a part of it is true.

Ain't that the truth : )

Chris

-----------------------------------------------------------
Chris Frazier
Dept. of Biology, UNM
Albuquerque, NM, USA 87131
(505) 277-0683
Homepage: http://redtail.unm.edu/

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