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Usually but not always. They can even be different sexes. Identical twins are fromed from one fertilized egg which splits into two and so genetically they have the same DNA and are therefore identical. Fraternal twins are formed from two separate eggs fertilized by two separate sperm cells, and are called 'twins' simply because they share the womb during their development. Otherwise, they are no more similar than normal brothers, sisters or a brother and sister.

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If twins aren't identical what are they called?

Twins who are of the opposite sex or do not look alike are fraternal twins ~ not identical. This means that at the time of their conception ~ two eggs were fertilised. In the case od identical twins, one egg is fertilised and split in half.


Are female twins that are not identical called Fraternal or Maternal?

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.


Non-identical twins are called?

Fraternal twins are created when 2 separate eggs are fertilized. Identical twins are created when 1 fertilized egg splits into 2. It is impossible for one identical twin to be male and the other female. Identical twins are usually the ones that look exactly alike.


Are the girl and boy twins identical or fraternal"?

The girl and boy twins are fraternal, meaning they are not identical.


How is a fraternal twin different than other twins?

Fraternal means "brother-like." Identical twins result from a single fertilzed egg dividing into two separate embryos so the twins share all DNA. Fraternal twins result from two different eggs being fertilized by two different sperm at the same time. The babies are then born at the same time, but only share 25%of their DNA with each other, which is the same amount that siblings born at different times share. The word fraternal used in social organizations, like "the fraternal order of"...refers to the thought that the members are like brothers to each other. Modern french uses the word frere to mean brother.

Related Questions

What is the difference between fraternal twins and twins?

Ferternal twins don't look alike, but twins do


Do Identical twins think more alike than Fraternal?

Yes. Fraternal twins don't look alike at all. Identical, meaning to look the same, are well, identical.


What are twins born at the same time but do not look alike called?

Fraternal twins.


What does it mean when you have a fraternal brother?

When u are twins but don't look alike


What do you call to twins that doesn't look the same Does it exist Thanks?

There are many twins that don't look alike. They are called fraternal twins.


What does cuates mean in English?

It means 'fraternal twins', the kind that don't look alike. The kind that look alike are called 'gemelos.'


Are fraternal twins less alike then identical twins?

Yes


Is there a word for twins who don't look alike?

Yes, non-identical twins are often referred to as fraternal twins. These twins develop from two separate eggs fertilized by two different sperm cells, resulting in genetic differences that can make them look less alike than identical twins.


What are twins that dont look alike caled?

Fraternal. They develop from separate ova and are not genetically identical, so look different, can have different sex etc. Unlike "identical twins."


Do Fraternal Twins have similar minds like identical twins do?

Twins don't always think alike, whether they be identical, fraternal, or even simese. It depends on there personalities, not their looks.


What are fraternal twins?

Fraternal twins are two siblings that have the same birth day, but do not look identical.


How do you know if two twins are identical or just fraternal twins that look a lot alike?

(Person that asked the question)-Once twins are born, and old enough to determine whether they are identical or fraternal, how do you know if they are identical, or just fraternal twins that look identical? I was just curious.