Dihaploids vs. diploids

Ross Koning Koning at ECSUC.CTSTATEU.EDU
Wed Nov 27 16:43:31 EST 1996


At  9:45 AM 11/27/96 -0800, Carl Johnson wrote:
>Could someone please explain the difference between a "dihaploid" (e.g.,
>Nicotiana plumbaginifolia) and a diploid?
>        Thanks,
>        Carl Johnson

A guess: a chromosome-doubled haploid?

This topic comes up with regard to tissue-culture
derived plants coming from microspores that double
spontaneously to make completely-homozygous "diploids".

Maybe someone else can add to that.

ross

______________________________________________________________
                            |
Ross Koning                 | Koning at ecsu.ctstateu.edu
Biology Department          | http://koning.ecsu.ctstateu.edu/
Eastern CT State University | Phone: 860-465-5327
Willimantic, CT  06226  USA | Fax: 860-465-5213
____________________________|_________________________________

                Plant Physiology is Phun!

 /\|___/\     //\______COOH   NH-CH2-CH=C-CH2OH  \/OH
|  |  |  |    |  |  ||       //\___     \CH3     /\|/\\/\\COOH
 \/ \/|\/|    \\/ \ /       N  ||  N            |  |
 /\ | |__|=        NH       |  || ||           //\//\
  | COOH                    \\ /\ /            O
  COOH        H2C=CH2         N  NH
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