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[–] 13 points 2 years ago (5 children)

Uh, shouldn't it be "our" brother? Or are they half's? Brother from one parent's side and sister from the other parent's side?

A+B have brother, B+C have screenshot OP, C+D have sister. So the screenshot OP has a brother and a sister that aren't related to each other.

Then if the brother and sister have a child, can it become a genetically identical twin of the screenshot OP?

Huh.

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  • [–] 2 points 2 years ago

    More than one thing can be true. "My brother" "her brother" and "our brother" are all equally valid assuming the three people are siblings.

    You completely lost me in that third paragraph, though.

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