DECREASE IN CHROMOSOMAL DNA CONTENT AT HIGHER POLYPLOIDY LEVEL IN VICIA FABA ROOT MERISTEMS

Author:

Deka P. C.,Sen S. K.

Abstract

The DNA content of the nucleus is expected to increase proportionately with the increase of ploidy. Estimation of the DNA content of the endopolyploid root meristem nuclei of Vicia faba has been done through cytophotometry from 2n to 16n level. Observations indicate that a decline in nuclear DNA content takes place at higher ploidy level while the overall karyological integrity of the chromosomes and their number are apparently maintained as normal.

Publisher

Canadian Science Publishing

Subject

Cell Biology,Plant Science,Genetics

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