We are a mixture of our parents. The male sperm cells and female egg cells contain only 23 chromosomes each, half the number found in any other cell. When the nuclei of these two cells come together in a fertilised egg, the chromosomes combine to make 46 chromosomes in total. Half the genetic information in every cell has Come from our father, and half from our mother. We inherit features such as skin colour, hair colour and overall body shape. Our features may be a combination of both parents, or we may look more like one parent.
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Arpit
We are a mixture of our parents. The male sperm cells and female egg cells contain only 23 chromosomes each, half the number found in any other cell. When the nuclei of these two cells come together in a fertilised egg, the chromosomes combine to make 46 chromosomes in total. Half the genetic information in every cell has Come from our father, and half from our mother. We inherit features such as skin colour, hair colour and overall body shape. Our features may be a combination of both parents, or we may look more like one parent.