Can you have different gender twins

There have been about 5documented cases,so very rare.Studies have shown that genetic factors.But this idea has been refuted scientifically.In cases like this, some might argue that perhaps both twins are actually gay, but one just hasn't come out yet.But male/male and female/female twins may also be fraternal.

This is the big difference between fraternal (dizygotic) and identical (monozygotic) twins.If it's a boy then eat watermelons, if its a girl eat apples.While most twin pregnancies are unplanned, having twins isn't always luck.The odds of having three sets of twins that are fraternal are one in.Identical twins can be opposite sex if the embryos started male but one twin drops a y chromosme and has turner's syndrome as with no y chromosome, that twin becomes a girl with a single chromosome.

They can be a different gender or the same, i.e.Twins raised apart are highly valued in psychological research.If you decide to have an ultrasound around the 12 to 13 weeks of your twin pregnancy, you will also find out what gender your babies will be.Many couples find out their baby's gender at the fetal survey appointment, which is around 20 weeks.Identical twins sometimes have different orientations.

Conjoined twins are physically connected to one another at some point on their bodies.Could the same logic be applied to sims babies or is that predetermined during the pregnancy?Have fun and let me know what you're having!Sometimes identical twins can be assigned the sex of male and female at birth.The two different sacks ensure equal chances of survival for the twins.