How are two people related?

If two people are related through DNA, but dont share the same Haplogroup, does that mean that they are related through the other parent? Thank you,Pl

If two people are related through DNA, but don't share the same Haplogroup, does that mean that they are related through the other parent?

Thank you,
Plspat

or:If two people are related through DNA, but don't share the same Haplogroup, does that mean that they are related through the other parent? Thank you,Plspat

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