Sentences with phrase «sex fraternal twins»

This is demonstrated, for instance, in longitudinal studies that compare identical twins with same - sex fraternal twins reared in the same families or separated through adoption.
I mean, you know, because I know I've heard sometimes, you know, maybe boys need a little bit more developmental times, so I don't know how we come across the any situations where you've had opposite sex fraternal twins and maybe one was ready and one wasn't?
Ever wonder if your same sex fraternal twins are truly fraternal?

Not exact matches

Fraternal twins may be a boy and a girl, or two babies of the same sex, however, they will not be identical.
Fraternal twins may be of opposite sexes; monozygotic twins are of the opposite sex only in the rarest circumstances.
Sex - and zygosity - specific mean values of handgrip strength, height, weight, body mass index, and waist circumference were highly comparable between fraternal twins of opposite sex and fraternal twins of same sSex - and zygosity - specific mean values of handgrip strength, height, weight, body mass index, and waist circumference were highly comparable between fraternal twins of opposite sex and fraternal twins of same ssex and fraternal twins of same sexsex.
Reiss and his colleagues studied 720 pairs of same - sex adolescent siblings (identical and fraternal twins and full, half and stepsiblings) over a 3 - year period, from early to mid-adolescence.
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