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Do conjoined twins have the same genes?

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In some cases, one twin's DNA differed from the other's at various points on their genomes. At these sites of genetic divergence, one bore a different number of copies of the same gene, a genetic state called copy number variants. Normally people carry two copies of every gene, one inherited from each parent. read more

Question Date: 2003-01-15: Answer 1: The answer to this question depends on what type of twins they are! There are two types of twins. In one case, twins can be produced when two eggs are present at the same time inside the mother, and both of these eggs get fertilized. Each of them eventually grows into a separate baby. read more

It is a basic tenet of human biology, taught in grade schools everywhere: Identical twins come from the same fertilized egg and, thus, share identical genetic profiles. But according to new research, though identical twins share very similar genes, identical they are not. read more

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Do Identical Twins Have the Same DNA?
www.verywellfamily.com

Do twins have the same DNA?
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Identical Twins and Fingerprints
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Identical Twins' Genes Are Not Identical
www.scientificamerican.com

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