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

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โˆ™ 2009-09-11 06:49:39
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Q: What is the difference identical and fraternal twins?
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What is the difference between fraternal and identical twins?

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..


How can you tell the difference between fraternal and identical twins?

Identical twins would look the same, fraternal twins could be of different sexes. In the womb, you can easily tell the difference between fraternal and identical twins because if the twins are identical, they will share the same sac. Fraternal twins will have different sacs. You can see this in the ultrasound. After birth, it is often very difficult to tell the difference between the two types of twins because babies often look alike particularly when they are siblings even if they aren't identical genetically. If the twins are fraternal it usually gets easier to tell the difference as they get because they tend to look quite different as they age. Fraternal twins are only siblings while identical twins are genetically identical.


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.


What is the difference between a fraternal twins and identical twins?

If two (or more) eggs are fertilised and develop together you will get fraternal twins. Identical twins are the result of a single fertilised egg dividing into two embryos.


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.


Which is more common fraternal twins or identical twins?

Fraternal twins are more popular.


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.


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.


Why are the twins identical?

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.


Why there is a fraternal and the identical twins?

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.


Who are clones fraternal twins or identical twins?

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.


How can you tell the difference between your DNA and your twins DNA?

There are two types of twins- fraternal and identical. Fraternal twins are only siblings born at the same time. Identical twins started as 1 egg that split in two after being fertilized. The DNA of identical twins is, well.... identical. At one point, they WERE the same person.


How does the genetic makeup of fraternal and identical twins differ?

how does the genetic makeup of a fraternal and identical differ


Are Seishi and Masashi Kishimoto fraternal or identical twins?

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.


What are fraternal twins?

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


What is the difference between maternal and fraternal twins?

Fraternal twins are not identical, coming from two eggs and two sperm vs monozygotic ("identical") twins who come from one egg and one sperm that splits into two separate embryos.


Can twin fraternal girls be indentical?

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