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Do all twins develop the same way?
no
Do identical twins develop from two different eggs that are fertilized by different sperm?
No, fraternal twins do.
A sentence for identical twins?
Identical twins develop from a single egg that splits into two.Identical twins can be so similar that their parents cannot tell them apart.
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
Twins who delevelop in separate amniotic sacs?
They are called: fraternal or dizygotic twins. Twins who develop in one amniotic sac are called identical or monozygotic twins.
Why do some animals rely on the mum longer than others?
It is usually the more intelligent or bigger animals that take longer because there is a much bigger teaching element involved. Some animals are just bigger and take longer to develop.
Do twins have to be born on the same day?
twins just have to develop in the same womb at the same period of time. When they are born has nothing to do with it.
How do two identical twins develop in a female?
Identical (monozygotic) twins develop from one zygote (fertilized egg) that splits into two embryos.
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.
What develop from two eggs and two sperms?
Normally non-identical twins.
What are two individuals that develop from the same zygote called?
Two individuals that develop from the same zygote are called identical twins. If they develop from two separate zygotes, they are fraternal.
Why do fraternal twins have their own placenta?
Identical twins may or may not share the same placenta . Identical twins develop when a fertilized egg splits. Depending on when the split occurs will determine if the twins share a placenta, with either one or two chorions and amnions, or if they each develop their own placentas.
