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There's no actual reason, the halves of the egg cell are supposed to stick together, but there are occasions when they loose. Of course these halves continue to evolve as if they would have been one so they are just as capable as any other person.
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∙ 13y ago
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How are two headed animals made?
The same as Siamese twins. The egg splits as if to create identical twins, but it doesn't split all the way.
What two things are needed to create fraternal twins?
Two eggs and Two Sperm.
How can there be indentical twins in triplets?
If a woman has two eggs that are fertilized and one of those eggs split, you will get one unique set of chromosomes and a pair of identical chromosomes.
What side of the family does twins come from?
There really isn't a 'gene' for twins. However, fraternal twins are the result of a woman releasing two eggs at a time. This trait can run in the womens side of the family so there is more chance her daughters will release 2 eggs at a time. To date there is no indication that identical twins have any genetic markers. All women have a chance of having their eggs split and having identical twins.
How twins and triplets develops?
Where one cell splits into 2 or 3 durning the early age of pregnancy
If twins aren't identical what are they called?
Twins who are of the opposite sex or do not look alike are fraternal twins ~ not identical. This means that at the time of their conception ~ two eggs were fertilised. In the case od identical twins, one egg is fertilised and split in half.
Can genes of two persons be identical?
The genes of identical twins are identical because the twins come from one egg that has split after fertilization. Fraternal twins are not identical since they come from two eggs but have occupied the mother's womb at the same time.
Why do non - identical same gender twins look like one another?
BECAUSE WHEN THEY WERE IN THE MOTHERS UTERUS< THE EGG THEY WERE IN SPLIT AND THATS HOW TWINS ARE MADE BUT SINCE THEY SPLIT THEY STILL HAVE THE SAME CHROMOSOMES AND THAT"S WHAT MAKES THEM LOOK ALIKE ---- But they are NON - identical! so the egg didn't split. There was 2 eggs! Can you explain in detail?
How do you call to siblings that have the same birthdays but dont look like each other?
They would be Fraternal Twins. The formed from separate eggs in utero. Identical twins formed from a single egg that split into two.
How is a fraternal twin different then other twins?
A ferternel twin is were you and your twin dont look alike and during the growing process in the whom two eggs pass as two where when identicle twins are born the egg was split in half.
Why you have twins?
There are two natural ways, one being when u ovulated u had one fertilized egg that split into two, which also would make them identical twins, and two when you ovulated there were two eggs that both got fertilized. Hope this helps. I have identical twins.
Why do you have twins?
There are two natural ways, one being when u ovulated u had one fertilized egg that split into two, which also would make them identical twins, and two when you ovulated there were two eggs that both got fertilized. Hope this helps. I have identical twins.
