What is meant by ‘chromosome’. Explain its types. Answer the question in your own words.
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a thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
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Chromosomes are mainly made up of DNA(Deoxyribonucleic Acid). DNA molecules are packed into the thread-like structures. Each chromosome has a constriction point called the centromere, which divides the chromosome into two different sections, or “arms.” The shortest of the arm of the chromosome is called the “p arm.” The longest of the arm of the chromosome is called the “q arm.”
Types of chromosomes are -
i) Aerocentric.
ii) Submetacentric.
iii) Metacentric
iv) Telocentric.
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