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Self incompatibility

self incompatibility

(Science: plant biology) Inability of pollen grains to fertilize flowers of the same plant or its close relatives.

acts as a mechanism to ensure out breeding within some plant species, for example in the case of the s gene complex in brassicas.


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erythroblastosis fetalis

... time to produce a clinical effect in the mother. This would be the same with subsequent pregnancies, so the Rh+ mother would never develop an Rh incompatibility problem. The Rh° babies will have been sensitized to Rh+ blood and might have a stronger reaction to it if transfused with it.

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by genovese
Thu Mar 06, 2008 5:00 am
 
Forum: Human Biology
Topic: erythroblastosis fetalis
Replies: 75
Views: 13418

Blood type changing spontaneously with a transplant?

O.K. This article is better: http://abc.com.au/news/stories/2008/01/24/2146032.htm Three things to note from the article: 1. Liver transplant 2. Rh incompatibility to donor 3. DNA virus infection These are important because due to Rh incompatibility, she had to receive RhoGAM or MICRhoGAM to make ...

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by Cat
Tue Mar 04, 2008 4:43 am
 
Forum: Human Biology
Topic: Blood type changing spontaneously with a transplant?
Replies: 9
Views: 2229

fertilization

It actually depends upon who defined the species. An older definition is based upon reproductive incompatibility, a newer one on capability of offspring, but there are species who break those rules, some of whom aren't even that closely related.

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by Darby
Wed Oct 17, 2007 4:58 pm
 
Forum: Physiology
Topic: fertilization
Replies: 6
Views: 2089

Chromosome count and evolution: havn't found an explination!

... with all forms of species under the Hominoidea classification? At what point did we become "incompatible", and what caused this incompatibility? I've heard somewhere that the main factor which prevents interspecies sexual reproduction with humans and chimps (for instance) is ...

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by eNathan
Thu Jul 05, 2007 8:29 pm
 
Forum: Genetics
Topic: Chromosome count and evolution: havn't found an explination!
Replies: 10
Views: 2684

The Fiber Disease

... the entropy dost have only one moon and it has been borne of its self.... a most Fubar situation indeed ...... the latest wave of empathy ... may be imposed by the potential struc- tural or biosynthetic incompatibility of the ligand with the protein components of Ad capsid. For ...

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by Nadas Moksha
Fri Dec 15, 2006 1:23 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748680
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