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2008-10-12 17:01:41
2008-10-12 17:01:41

The difference between Identical and Non-Identical twins is that Identical twins share the same placenta and are basically identical to one another. Non-Identical twins do not share the same placenta in the womb and two eggs fertilized at time of conception as opposed to one egg splitting in the case of Identical twins. I think that covers the basics. Hope this has clarified things for you.

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identical twins have the same genes from the same parents. Non identical twins have different genes.


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.


Twins are not allowed because it would be complicated to distinguish the difference between the two.


Generally, an infant's eye sight and senses are very limited so that it cannot tell the difference between identical twins. Infants can only tell close family members.


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.


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..


There is no difference between a single fetus or twins. The symptoms are the same.


With identical twins, a fertilized egg splits in two. With non-identical twins, more than one egg is fertilized.


Assuming their are no mutations the twins wold both have 46 chromosomes. Twins, have the normal number of chromosomes, the only difference between an set of identical twins and two average individual is that twins have identical DNA.


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Monozygotic twins are formed from the splitting of a single fertilized ovum, and are identical. Dizygotic twins are formed from two separate fertilized ova, and are genetically different. They are also called fraternal twins.


Identical twins are born together, and look exactly alike.Nonidentical twins are born together, but do not look exactly alike.A good example of non identical would be boy and girl twins,


The DNA of identical twins and of clones is, apart from random, environmentally produced mutations, 100% identical. The only difference is that clones are produced on purpose through advanced bioengineering techniques while identical twins happen as an accident of nature. Identical twins are, in a sense, natural clones.


They're twins.... but there's like 28 minutes between them. Tristan's older.


Dizygotic twins develop from two separate ova fertilized by different sperm at roughly the same time, they are also called fraternal twins. Monozygotic twins develop from one zygote that splits apart producing genetically identical zygotes; also called identical twins.


You can't tell by their looks, but, George is more sensitive than Fred.


Identical twins are formed from the same fertilized zygote ( which undergoes division in some later period of pregnancy) while non identical twins are formed from two different zygotes


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.


Identical twins are identical and the egg that they came from split into two giving them the same DNA. Conjoined twins are where the division process is not completed and the embryos remain attached, sometimes sharing organs.



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