Twin - Wikipedia, the free encyclopedia
Twins are two offspring resulting from the same pregnancy, usually born in close succession. They can be the same or different sex. Twins can either be monozygotic (MZ, colloquially "identical") or d...
en.wikipedia.org/wiki/Twin
There is no such thing as paternal twins. There are fraternal and identical. Fraternal occur when the mother has two eggs that are fertilized at the same time. They can be boy/boy, girl/girl or boy/girl. Identical twins occur when the egg s...
http://answers.yahoo.com/question/index?qid=20061119133...
"Paternal twins are monzygotic, or 'identical' twins" Believe me, I've been asked this question so much since my twins were born I've gotten this one down by heart... Basically, twins fall into two groups: -- Identical (sometime...
http://askville.amazon.com/difference-fraternal-twins-P...
Q: What is the difference between "fraternal twins" and "Paternal twins?" Just saw a show on National Geographic. Mentioned both kinds of twins. ...
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fraternal twins are two separate eggs fertilized by two separate sperm. identical twins are a single egg fertilized by a single sperm then the egg splits. ... more ... How do I prevent preterm labor with fraternal twins?
www.experts123.com/q/what-is-the-difference-between-pat... www.experts123.com/q/what-is-the-difference-between-paternal-and-fraternal-twins.html
Identical twins just happen. We know how but not why, and we do know that they don't run in families. For fraternal twins, it does run in families as there can be a genetic tendency to release more than one egg. ... What is the difference between paternal and fraternal twins?
www.experts123.com/q/can-a-father-that-is-a-fraternal-t... www.experts123.com/q/can-a-father-that-is-a-fraternal-twin-have-twins.html
Fraternal twins, who are no more genetically alike than ordinary siblings, ... Twins are siblings carried together in the womb and born at the same time. Similarities and differences between twins can be used to answer questions about the role genes and the environment play in the development of traits such as personality,
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What's the difference between fraternal and identical twins? And can you tell whether twins are fraternal or identical before they're born? ... A: Fraternal twins come from the fertilization of two different eggs, whether it happens in the lab, We obstetricians are always relieved to see a membrane between two sacs.
www.babyzone.com/askanexpert/differences-fraternal-iden... www.babyzone.com/askanexpert/differences-fraternal-identical-twins
The differences between identical and fraternal twins. ... The following pictures and text explain the difference between identical and non-identical twins.
www.paternityangel.com/Preg_info_zone/Multiple/Multiple... www.paternityangel.com/Preg_info_zone/Multiple/Multiple1.htm
In 1956 Eysenck, for example, in a study of identical and paternal twins, found that identical twins resembled each other more closely than fraternal twins in extraversion and introversion. ... It would tend to overcome some of the physical and psychological differences between the members of the family, for each parent...
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