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Identical twins are two children born of one egg and one sperm, that splits early on and then separates, each half then developing into a full organism. Since they came from only one egg and one sperm, their genes will be identical.

Fraternal twins are two children born of two eggs and two sperms, each of them developing into a full organism. Since they did not come from only one egg and one sperm, their genes will be different. They could even be opposite sexes.

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โˆ™ 2011-03-22 20:22:19
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Q: How do you get identical twins and fraternal twins?
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Related questions

Are all twins identical?

No. Identical twins are identical. Fraternal twins are not.


Why are identical twins identical and fraternal twins are not?

Identical twins are formed from a single egg that splits into two. Fraternal twins are formed from two separate eggs that are both separately fertilized. So identical twins have identical DNA, and fraternal twins do not.


What percentage of twins are fraternal?

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.


Why are Identical and fraternal twins similar?

They are twins!


Why are identical twins and fraternal twins not the exact same?

Identical twins are formed from a single egg that splits into two. Fraternal twins are formed from two separate eggs that are both separately fertilized. So identical twins have identical DNA, and fraternal twins do not.


Are fraternal twins identical?

No that's why theyre called fraternal twins. Identical twins are identical (share the exact same genes) while fraternal twins are as similar to each other as normal siblings are.


Which is more common fraternal twins or identical twins?

Fraternal twins are more popular.


Is the DNA in twins the same?

In identical twins, the DNA is identical, which is what makes them identical. In Fraternal twins it is not.


Are Mia Hamm's twins fraternal or identical?

identical


Are twins that are in the same sac identical or fraternal?

identical


What is the other name for identical twins?

Fraternal twins .


What are the 2 kinds of twins?

Fraternal and identical twins.

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