What does it mean when a generation dies? How much is lost when the last of a family’s generation passes away?
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Do siblings have the same DNA? It seems like brothers and sisters should have the same ancestry background. After all, they have the same parents, right? While biological siblings DO have the same family tree — parents, grandparents and so on, their genetic code might be different. Because of how DNA is passed on, it is possible for siblings to have differences in their ancestry at the DNA level.
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