polyploidy
['pɑlɪ,plɔɪdi]
- polyploidy (n.)
- 1922, from German polyploidie (1910), from polyploid, from Greek poly- (see poly-) + -ploid, from comb. form of ploos "fold" (see fold (v.)) + -oid.
- 1. Hybrid sterility is sometimes overcome by polyploidy.
- 有时可用多倍性来克服杂种不育性.
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- 2. Autopolyploidy A type of polyploidy involving the multiplication of chromo - some sets from only one species.
- 同源多倍性:通常是由同一个体,同一纯种的染色体数目加倍而成的多倍性现象.
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