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Polyploid

(genetics) an organism or cell having more than twice the haploid number of chromosomes.Of a cell or organism having more than twice the haploid number of chromosomes; a polyploid cell; a polyploid species.Organisms that possess two sets of each chromosome. For instance, a human has twenty three pairs of chromosomes, the pair meaning that humans are diploid. This doubles our chromosome compliment to forty six.

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Re: Evolution or De-evolution?

... That is actually more consistent with the observed genome deterioration over time (take Y chromosome as an example). But does it mean that new polyploid species are superior when compared to their predecessors PRIOR to genome deterioration over time??? OR was it more like recouping the original ...

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by Cat
Sun Sep 09, 2012 5:35 pm
 
Forum: Evolution
Topic: Evolution or De-evolution?
Replies: 43
Views: 15727

Evolution or De-evolution?

... That is actually more consistent with the observed genome deterioration over time (take Y chromosome as an example). But does it mean that new polyploid species are superior when compared to their predecessors PRIOR to genome deterioration over time??? OR was it more like recouping the original ...

See entire post
by Cat
Tue Oct 18, 2011 4:53 am
 
Forum: Evolution
Topic: Evolution or De-evolution?
Replies: 43
Views: 15727

Using Colchicine for Polyploids

So I was wondering... Colchicine is used to create polyploid plants. It acts as a mitotic spindle poison which can cause nondisjunction of the entire genome. What I was wondering was that if you were to treat a seed with a colchicine solution, is ...

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by plasmodesmata11
Tue Jul 19, 2011 10:50 pm
 
Forum: Genetics
Topic: Using Colchicine for Polyploids
Replies: 0
Views: 1309

Re: polyploid

... criterion requires that 2 organisms can ''mate'' and give fertile offspring to be classified among the same species.can a plant with polyploid reproduce with a ''normal'' plant and give fertile offspring??isn't there any problem with the extra chromosomes of the polyploid plant at ...

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by robsabba
Mon May 10, 2010 4:39 pm
 
Forum: Evolution
Topic: polyploid
Replies: 5
Views: 2613

Re: polyploid

... criterion requires that 2 organisms can ''mate'' and give fertile offspring to be classified among the same species.can a plant with polyploid reproduce with a ''normal'' plant and give fertile offspring??isn't there any problem with the extra chromosomes of the polyploid plant at ...

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by kyros
Mon May 10, 2010 7:59 am
 
Forum: Evolution
Topic: polyploid
Replies: 5
Views: 2613
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