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Why are twins formed in one embryo?
Twins are formed when a fertilized egg divides into two embryos early in development. These embryos can develop into identical twins if they split before any differentiation occurs. Fraternal twins occur when two eggs are fertilized by two separate sperm, leading to separate embryos.
Do fraternal twins share a placenta?
Yes, fraternal twins can share a placenta if they are from the same fertilized egg that split into two embryos.
Are twins just two babies or a split embryo?
Twins can either be fraternal (resulting from two separate eggs fertilized by two different sperm) or identical (resulting from a single fertilized egg that splits into two embryos). So, while fraternal twins are two separate babies, identical twins come from a split embryo.
Do most pregnancies start out as twins?
No, most pregnancies do not start out as twins. When the ovaries release two eggs and both are fertilized then will twins be born (fraternal/nonidentical twins). Or a fertilized egg may divide before implantation resulting in identical twins.
Can fraternal twins share a placenta?
Yes, fraternal twins can share a placenta if they are from the same fertilized egg that split into two embryos. This is known as a monochorionic pregnancy.
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.
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.
Do identical twins have to be the same sex?
Yes. Identical twins come from one fertilized egg that has been split in two. Therefore, whatever sex the single egg would've been, the twins will be.
How are identical twins genetically from fraternal twins?
Identical twins are genetically the same, because they come from the same fertilized egg/sperm cell zygote, which happens to split into two viable zygotes. Fraternal twins, however, come from two different egg/sperm cell zygotes, that are concurrently fertilized and remain viable.
What are the chances of having twins when the father to be is an identical twin and his mother has identical twin brothers?
You have the same chance as the general population. Identical twins are a genetic accident, researchers still don't know what triggers an egg to split making two embryos from one fertilized egg.
How many egg cells are used with twins?
It depends on the type of twins If It was identical (monozygotic) twins, one egg is fertilized (As you can see, identical twins have similarity in phenotype (the observable characteristic of an organism) because of development of one zygote divided into two embryos) but if it was non-identical twins, two eggs or more (such as triplets or quadruplets) are fertilized. The twins have differences in phenotype
What is it call when twins are fertilized into two separate cells?
Dizygotic twins. If they were fertilized in the same egg, they would be called monozygotic twins.
