basic chromosome造句

The basic chromosome number for genus is 14 ( 2n = 28 ).
The basic chromosome number of the genus is 13, and most species are diploid ( 2n = 26 ).
The basic chromosome number is x = 9 . The species are diploid ( 18 chromosomes ), tetraploid ( 36 ), hexaploid ( 54 ), or octoploid ( 72 ).
Establishing the basic chromosome numbers in several genera of the Polypodiaceae ( Panigrahi & Patnaik, 1961, and Patnaik & Panigrahi, 1963 ); Fuchs ( 1963 ) reviewed the paper in Nature ( 1961 ), in Amer.
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