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Question
In the given diagram name the parts labeled 1, 2, 3,4 and 5 and describe about them in short.
Solution
1. Pellicie: The matrix of chromosome is enclosed in a sheath called as pellicle.
2. Matrix: The chromatin of chromosome is embedded in the achromatic substance known as matrix.
3. Chromatin: Chromatin is the heredity material made-up of long fibres of DNA combined with proteins.
4. Centromere: A narrow constriction is seen in the chromosome at metaphase or anaphase is called primary constriction. The distinct area of light colour inside the primary constriction is called centromere.
5. Chromatids: Each metaphase chromosome consist lied chromatids.
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