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Can we develop our own genes?

Can you develop some of your genetics on your own without your parents characteristics involved?
Erin-Louise McGee from Edinburgh (Age: 5-14)

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One Response

  1. You can, sort of.

    So the DNA in all of your cells is a copy of that first cell, your fertilised egg. The fertilised eggs DNA came from the mother and the father, 50:50.

    As the DNA is that first cell is copied as the cell is divided it can not copy properly. These errors in copying usually have no effect, but it may lead to a mutation in a gene that is needed. Some people have cystic fibrosis for this reason.

    So you can’t make new genes from those that your parents gave you, but they might get altered or changed slightly.

    Melissa Wragg

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