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Why are identical twins and fraternal twins not the exact same?
Wiki User
∙ 10y ago
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.
Wiki User
∙ 10y ago
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What are fraternal twins?
Fraternal twins are two siblings that have the same birth day, but do not look identical.
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.
Why do you think identical twins were more alike than fraternal twins?
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.
Are paternal twins identical?
I dont think there is such a thing as paternal twins...perhaps you are thinking of fraternal twins. In that case, they are not identical twins, they do not look the same and they can be different sexes.
How does identical and fraternal twins happen?
If one egg is fertilized and as it begins to grow it divides into two separate zygotes (fetuses) then they can develop into identical twins. If two separate eggs are both fertilited at the same time they will develop into fraternal twins
Is the DNA in twins the same?
if they share 1 heart then yes they do. but if they have different hearts then they do not
What is the difference fraternal and identical twins?
Identical twins come from the same fertilized egg; fraternal twins come from 2 fertilized eggs.
What is identical and what is fraternal?
Identical twins come from the same fertilized egg; fraternal twins come from 2 fertilized eggs.
What are fraternal twins?
Fraternal twins are two siblings that have the same birth day, but do not look identical.
Why indentical twins have the same features?
Identical twins, or in-fraternal twins, are the offspring that look exactly alike and are of the same gender, sharing the same exact genetic information. In-fraternal twins occur when a fertilized ovum (egg) has divided and each went on to become an embryo containing exact same genetic information.
What kinds of twins are there?
Identical and Fraternal There are identical and fraternal. Fraternal twins happen when 2 different embryos start growing at the same time, so you get a brother and a sister or 2 sisters or 2 brothers that are the same age. Identical twins happen when 1 embryo splits into 2 embryos when it is only a few cells big, so both babies have the same genes.
Why Can fraternal twins be different gender but identical twins are always the same gender?
fraternal twins have two different chromosomes
Are fraternal twins technically clones?
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.
Why can fraternal twins different genders but identical are always the same gender?
fraternal twins have two different chromosomes
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.
Was Shakespeare's twins identical?
No. All identical twins are the same sex. Judith and Hamnet were opposite sexes, and so were fraternal twins.
What is twins developing from the same egg cell called?
identical twins, as opposed to fraternal.
