While in most dioecious plants, the sex determination does not have to
do with an X/Y chromosome situation (as it does in man, etc.), there
are a few plants that do determine sex with chromosomes. For example,
several species of Rumex do things that way.
M. Reed
mmphillips at stkate.edu wrote:
>> From: Martha M. Phillips at CSC on 11/08/2000 01:51 PM
>> To: plant-ed at net.bio.net> cc:
> Subject: sex determination in plants
>> Dear Plant-edders,
>> I have a student doing a paper on sex determination in plants and I don't know
> much about the topic (just what is in the general textbooks). I'm wondering if
> you can point me towards good sources and maybe answer a question or two.
>> Is the sex of a dioecious plant determined largely by genes, environment, both?
>> If genes, is it the sperm that determine sex or egg?
>> I know that ethylene and gibberellin are involved in sex expression on
> monoecious plants -- Are the mechanisms in any way similar in dioecious?
>> any help will be greatly appreciated!
> Martha
>> Martha M. Phillips, Ph.D
>> Biology Department
>> The College of St. Catherine
>> 2004 Randolph Avenue
>> St. Paul, MN 55105
>> 651-690-6630
>>mmphillips at stkate.edu>> ---