Conjoined twins are formed when a single fertilized egg partially splits into two embryos during the early stages of development, typically within the first two weeks after conception. This incomplete separation can result in twins that share some physical structures and organs. The exact cause of this phenomenon is not fully understood, but it may involve a combination of genetic, environmental, and other factors. Conjoined twins are considered rare, occurring in about 1 in every 200,000 live births.
Conjoined twins cannot be bred. This condition is not genetic.A set of male conjoined twins fathering children with a set of female conjoined twins will almost certainly produce children who are not even twins at all.
The most famous (Chinese) conjoined twins were the Siamese twins
conjoined twins are very very very rare .
conjoined
why can't conjoined twins be brothers and sisters
No, conjoined twins Brittany and Abby are not married.
No, Brittany and Abby Hensel, the conjoined twins, are not married.
The twins were conjoined when they were born.
There is Identical twins, Nonidentical twins and Conjoined twins.
Craniopagus twins are conjoined twins who are attached at the head.
Just that, female conjoined twins. In some languages all nouns have gender, so in French, Les Jumelles Siamesienne, the enne suffix would mean female. By the way, conjoined twins, being also identical twins, are always the same gender.
If you are referring to conjoined twins, than they are formed by an egg that partially splits when developing in the uterus.