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- There are 23 pairs of chromosomes in a human body.
- 23 pairs means total of 26 chromosomes in a body.
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What is Chromosomes?
It is the thread like structure found in the nucleus of a cell which is formed of DNA and carries genes.
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What is genes?
It is the unit of DNA which is found in chromosomes and helps in the synthesis of a protein which controls the specific characteristic of an organism.
The genes are said to be the units of heredity which help in the transformation of characteristics from parents to offsprings during the process of reproduction.
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What are Alleles?
Itis a pair of gene which appears on a particular location on a particular chromosomes and helps in the controlling of the same type of characteristics, for example blood type, colour of the hair and colour of the eye, etc.
These alleles are inherited by our parents.
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Fact: The last pair of chromosome is called as sex chromosome.
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