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Multiple eggs are released or there is more than one ovulation. Both (or more) eggs are fertilized and you have fraternal twins. This can happen with or without fertility drugs.
Identical twins result when one fertilized egg splits early in the growth process and the two halves each grow to term.
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If a boy and a girl are twins are they faternal twins or twins?
Twins can only be identical if they are the same sex. If they are boy and girl, they are fraternal.
What do you call twins that are born connected?
Twins that are born connected are called conjoined twins. There are different kinds of conjoined twins, including thoracopagus, omphalopagus, and craniophagus twins, While thoracopagus twins are connected at the torso's top portion and can share one heart, omphalopagus twins are joined from the breastbone to the waist and share a liver. Craniophagus twins are connected at the head region.
What is the difference between dizygotic twins and monozygotic twins?
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.
Why are identical twins identical and fraternal twins are not?
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.
Are the sunny cowgirls twins?
Yes 'The Sunny Cowgirls' are twins
How do non-identical twins get made?
the egg divides
What twins made a grand slam in tennis?
newtest3
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.
Are Jon and Katie twins?
No. They were married but made their split official in 2009.
Are the Goofy Gophers from Looney Tunes twins?
The relationship between Mac and Tosh , the Goofy Gophers , are really never made clear as to whether they are twins or not .
Does everyone have a twin?
no God made us different and only A FEW AS TWINS
How can you use the word them in a sentence?
It was the twins' birthday today, so I made them a cake.
These were found to be made of sub standard iron?
Both because they are twins
What is the name for twins that aren't actually twins?
identical twins are single egg twins. fraternal twins a two egg twins. fraternal
What are the three types of twins?
There is Identical twins, Nonidentical twins and Conjoined twins.
How many shot at loves are there on MTV?
there was 2 then the twins made one so 3 I think
Are John and Edward Grimes twins?
Yes they are twins. They are monozygotic twins (identical twins).
