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...
|
|
|
How do twins become fraternal or identical twins? Learn more about the exciting fetal development of twins. ... Fraternal twins come from the fertilization of two different eggs, whether it happens in the lab, as with in vitro fertilization, or spontaneously during a double ovulation (1 in 80-90 pregnancies).
|
www.gynob.com/fratidentwins.htm
www.gynob.com/fratidentwins.htm
|
|
|
|
Whether a set of twins are considered identical or fraternal is based on zygosity. Learn the differences between identical and fraternal twins and how to determine their twin type. ... However, the number of placentas isn't always a clear indicator either. Two placentas of fraternal twins can fuse together and appear to be one.
|
multiples.about.com/cs/funfacts/a/twinzygosity.htm
multiples.about.com/cs/funfacts/a/twinzygosity.htm
|
|
|
|
Top 10 Stupid Questions People Ask About Twins/Multiples ... More: Identical vs. Fraternal: Determining Zygosity ... There are two interpretations of this inquiry, referring to either how the multiples were conceived (ie with fertility enhancements) or how they were delivered (vaginally vs. c-section). In either case,
|
multiples.about.com/od/familyissues/tp/aatpquestions.ht...
multiples.about.com/od/familyissues/tp/aatpquestions.htm
|
|
|
"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...
|
|
Askville's similar question page contains questions and answers referencing difference-fraternal-twins-Paternal. ... Q: What is the difference between "fraternal twins" and "Paternal twins?"
|
askville.amazon.com/SimilarQuestions.do?req=difference-...
askville.amazon.com/SimilarQuestions.do?req=difference-fraternal-twins-Paternal
|
|
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.
|
www.innerexplorations.com/psytext/rt.htm
|
|
My Paternal grandfather and his sister were twins. I myself have fraternal twin boys. But none of my 1st cousins, or my sister have twins. I have two cousins who have had 3 single births so far, and my sister has had 2 single births as well...
http://wiki.answers.com/Q/Your_paternal_grandmother_was...
|
|
Cells and Genetics question: Your paternal great grandfather was a fraternal twin two of his children had fraternal twins what are your chances of having twins? 20% chance of having twins. ... Fraternal twins are? ... Your maternal great great uncles and your paternal aunts have two set of twins what are your chances?
|
wiki.answers.com/Q/Your_paternal_great_grandfather_was_...
wiki.answers.com/Q/Your_paternal_great_grandfather_was_a_fraternal_twin_two_of_his_children_had_fraternal_twins_what_are_your_chances_of_having_twins
|
|
