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2014-09-04 17:23:44
2014-09-04 17:23:44

Identical twins, due to the fact that the one fertilized egg splits, have identical DNA. Fraternal twins, since they are from separate eggs, have different DNA.


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

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 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.

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.

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

Twins are not necessarily identical. They can be fraternal as well. Identical twins result when one fertilized egg splits in two. Fraternal twins result from two fertilized eggs.

Identical twins come from the same fertilized egg; fraternal twins come from 2 fertilized eggs.

No. Not even close. Fraternal twins result from two eggs fertilized by two sperm at about the same time and being implanted in the uterus together. They are siblings.Not even identical twins, by the way, can be considered as clones, because cloning involves the removal of genetic information from one cell with its transfer to another cell. Identical twins involve splitting, not cloning.

identical twins are born at the same time AND look the same l. Fraternal twins are born at the same time but do not look identical..

If two eggs are fertilsed you get fraternal twins whereas if one egg is fertilised and that develops into two individuals, you get identical twins.

Fraternal and identical twins.

(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.

how does the genetic makeup of a fraternal and identical differ

identical twins are single egg twins. fraternal twins a two egg twins. fraternal

Any set of twins that are not identical (whether it's boys or girls or a combination of the two) are fraternal twins.

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

No, identical twins do, but fraternal twins come from 2 separate eggs.

Identical twins come from one egg and one sperm. Fraternal twins come from two eggs and two sperm.

No; if twins are fraternal then they can't be identical.

Yes, identical twins are clones.

i say that identical twins are the least rare because like me a fraternal twin i only know 1 pair of fraternal twin.

No, their twins are all fraternal

Identical twins do not have the same DNA; it is quite similar, but not exact. fraternal twins are no more similar than sibling likenesses.

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