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"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
HOW MANY CHROMOSOMES ARE PRESENT IN HUMAN BEINGS? |
Chromosome is a thread like structure of DNA and proteins present in the cell. It is a small piece of DNA containing nucleotides and genes. In our body, there are 22 pairs of autosomes and 1 pair of sex chromosomes for a total of 23 pairs or 46 chromosomes. |