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Fraternal twins share most of their genetic material, by virtue of having the same parents. Identical twins, however, by definition share 100% of their DNA. This means, for example, that identical twins cannot ever be one of each gender, as fraternal twins often are.

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โˆ™ 2011-09-20 03:01:36
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Q: Why do you think identical twins were more alike than fraternal twins?
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Related questions

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.


Are fraternal twins less alike then identical twins?

Yes


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.


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.


What is the biological name for twins who look alike?

Identical twins are called monozygotic. Fraternal twins are called dizygotic.


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.


Fraternal and identical twins?

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.


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.

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