CBSENEETClass 11
What is a chromosome?
Answer
A chromosome is a thread-like structure made of DNA and protein that carries genes and is found in the nucleus of a cell.
The working
Definition
Chromosomes are condensed structures of DNA wound around histone proteins, visible during cell division.
Composition
Each chromosome is made of DNA and proteins, and it carries many genes along its length.
Number in humans
Human body cells contain 46 chromosomes, arranged as 23 pairs.
Function
Chromosomes carry hereditary information from parents to offspring and ensure its equal distribution during division.
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