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Anonymous
Anonymous asked in Science & MathematicsBiology · 8 months ago

Is it really true that humans only share 7 percent of their dna with grandparents?

10 Answers

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  • 8 months ago

    I have an Uncle-Grandpa so I'm not the same.

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  • 8 months ago

    All of your DNA came to you from your grandparents.

    Approximately 25% from each one of them.

    You should be aware that the DNA from all four grandparents perform "almost" identically (control the formation of ten fingers, the shape of the liver etc.)

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  • Anonymous
    8 months ago

    Well, Ok. Here we go. My brother Danny Sean is 5foot 8 with size 14 foot and 75 inch arms.

    Yep. And I, Bob, is only 5'11 with small arms and size 9 feet.

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  • Zirp
    Lv 7
    8 months ago

    No it isn't. It's over 99.4 %. However, sometimes copying errors do occur, so chromosomes can be tracked. You have 23 chromosomes from either parent, and so do your parents. Which means you get ABOUT 11 or 12 chromosomes from every grandparent

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  • Anonymous
    8 months ago

    No. Average 25%. Obviously this is a measurement of the 100th percentile. You are 99.9% identical to all other humans.

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  • 8 months ago

    I do believe it is more along the lines of 25% in a balance, that would be minimum.

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  • 8 months ago

    You share over 98% of your DNA with ALL other humans.

    What you refer to are the markers used during a DNA test. No use testing the entire DNA - since it is around 98% shared - so they test specific markers.

    Those are the ones that you would have 25% from each grand-parent... on average.

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  • 8 months ago

    you have 4 grandparents, so it averages to 25% each. The total is 100%, where else would you get it from?

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  • 8 months ago

    According to 23 and me it's more like 25%.

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  • 8 months ago

    That's impossible

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