Another name for fraternal twins is dizygotic twins.
Fraternal twins are more popular.
Fraternal twins can be the same sex or opposite sexes. It doesn't matter.
Yes, fraternal twins are perfectly normal.
Fraternal twins started from two separate eggs in the mother. By comparison, identical twins started from one egg but it divided at the first stage of development into two separate zygotes (and thus two separate babies).
Let's ask Ringo, it's in his category! =D
How do fraternal twins form? Answer one egg from each ovary is fertilized.
There are two main types of twins: identical (monozygotic) twins, who form from a single fertilized egg that splits into two embryos, and fraternal (dizygotic) twins, who develop from two separate eggs that are fertilized by two separate sperm. There are also rarer types of twins, such as mirror-image twins and conjoined twins.
Another name for fraternal twins is dizygotic twins.
Fraternal twins are more popular.
There is no precise percentage of fraternal or identical twins but it is estimated that 2/3 of all twins are fraternal where as 1/3 of twins are identical.
identical twins are single egg twins. fraternal twins a two egg twins. fraternal
Fraternal twins can be the same sex or opposite sexes. It doesn't matter.
Yes, fraternal twins are perfectly normal.
Female twins that are not identical are called fraternal twins. Fraternal twins occur when two separate eggs are fertilized by two separate sperm. Maternal twins refer to twins that share the same mother but can include both identical and fraternal twins.
Fraternal twins started from two separate eggs in the mother. By comparison, identical twins started from one egg but it divided at the first stage of development into two separate zygotes (and thus two separate babies).
fraternal twins have two different chromosomes