Is it lucky to have twins?

In ancient times, the Yoruba viewed twins with suspicion, and sometimes sacrificed them. But now twins are considered lucky. In contrast to the Western view, the firstborn twin is considered the younger of the two. The Yoruba believe that the "senior" twin sent the younger one out first to scout the world.

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Moreover, do mothers of twins live longer?

Compared with other mothers, women who deliver twins live longer, have more children than expected, bear babies at shorter intervals over a longer time, and are older at their last birth, according to a new study. In respect to this, why are twins so special? Twins are always the same age, and they usually share a similar environment, both in the womb and while growing up. Identical twins share 100% of their genes, while fraternal twins share only about half their genes (just like regular siblings).

Moreover, which twin is more attractive?

Analyses of data from the National Longitudinal Study of Adolescent to Adult Health show that MZ twins were significantly more physically attractive and healthier than dizygotic (DZ) twins and singletons. Why do some twins look nothing alike? If by chance one identical twin 'silences' the X chromosome that came from Dad's sperm and the other twin silences the X chromosome that came from Mum's egg, then they have different genes working in their systems, which can result in noticeable differences.

Are siblings similar in attractiveness?

One of the simplest observations we could make about siblings is that they tend to look alike. Hardly surprising when brothers and sisters share 50% of their genes. It's also clear that attractive people tend to have attractive siblings.