Question

what is chromosome ....explain it carefully

Answer 1

Chromosomes are the fibre-like thing present in the nucleus. The number of chromosomes is definite in each species. Every human body cell has 46 (23 pairs) chromosomes.
The chromosomes carry the genetic characters from the parents to offspring through the union of the egg of the female and the sperm of male.
Chromosomes are made of chromatin, which is composed of hereditary units called genes. Genes are made of a complex substance DNA (deoxyribonucleic acid).


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Answer 2

Chromosomes are microscopic threadlike parts of the cell that carries hereditary information in the form of genes. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). There are 46 chromosomes found in human cells.