NCERT Important Questions Class 9 Science biology Chapter 5
Important NCERT Extra Questions
Chapter 5 The Fundamental Unit of Life
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
Differentiate between chromatin and chromosome.
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(i) Chromatin is the nucleoprotein (DNA +protein) fibrous mass which stains strongly with basic dyes and is present inside nucleus.
(ii) Chromosome is a thread -like, stainable, condensed chromatin unit, visible at cell division. Both chromatin and chromosomes contain hereditary information in the form of genes.