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#1
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As an aside, it's worth mentioning that many flowering plants, perhaps
as many as 50% or so of all species, are polyploid. That is, they carry more than two copies of each chromosome and therefore more than two alleles of each gene. Polyploidy is often a good thing in that it may confer larger size and more robustness. It is sought in some orchid breeding by using agents such as colchicine that inhibit proper chromosome behavior during cell division. Jim |
#2
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Thanks everyone!
Claude "James Aldridge" wrote in message ... | As an aside, it's worth mentioning that many flowering plants, perhaps | as many as 50% or so of all species, are polyploid. That is, they | carry more than two copies of each chromosome and therefore more than | two alleles of each gene. | | Polyploidy is often a good thing in that it may confer larger size and | more robustness. It is sought in some orchid breeding by using agents | such as colchicine that inhibit proper chromosome behavior during cell | division. | | Jim |
#3
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Thanks everyone!
Claude "James Aldridge" wrote in message ... | As an aside, it's worth mentioning that many flowering plants, perhaps | as many as 50% or so of all species, are polyploid. That is, they | carry more than two copies of each chromosome and therefore more than | two alleles of each gene. | | Polyploidy is often a good thing in that it may confer larger size and | more robustness. It is sought in some orchid breeding by using agents | such as colchicine that inhibit proper chromosome behavior during cell | division. | | Jim |
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