Question

Are family relationships similar all over the world, or do they vary meaningfully by culture?

Answer 1

yes, of course style of relationship varies culture to culture , But meaning doesn't change.

Answer 2

No family relationship doesn't depends on the culture. If you think that Muslims and christian having relationship with their families is different,it is wrong.
Family relationship depends on the person living in the family, how they behave with their other family members.

Thanks for watching the answer.