华山松的核型研究

A STUDY ON THE KARYOTYPE ANALYSIS OF PINUS ARMANDII FRANCH

  • 摘要: 本文研究了华山松(Pinus armamdii Franch)的核型。华山松体细胞的染色体数目为2n=24,其中11对(No.1~11)为中部着丝点染色体,另一对(No.12)为近中部着丝点染色体,第3对染色体长臂上具次缢痕,且染色体均显示带纹结构。

     

    Abstract: The karyotype of Pinus armandii Franch. was analysed on meristematic cell of the root tips. The result shows that the chromosome number in each somatic cell is 2n=24. The first 11 pairs of chromosomes(No. 1-11) are metacentric, and the other pair(No. 12)is submetacentric. One secondary constriction was observed on the long arm of the third pair chromosomes.

     

/

返回文章
返回