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Fraternal twins

Fraternal twins

fraternal twins are siblings who have shared a common uterine environment. They are due to fertilization of two different ova by different sperm. Fraternal twins are also called dizygotic twins.


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1 attached, 1 unattached earlobe

... - some individuals are actually two individuals that merged as embryos: fraternal twins become one person. Parts of the individual are genetically distinct. First discovered, ...

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by Darby
Wed Nov 06, 2013 6:52 pm
 
Forum: Genetics
Topic: 1 attached, 1 unattached earlobe
Replies: 10
Views: 11928

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

Hi I confess I am sick of this pseudo fraternal speech of some experts which turn science diffuse and obscure. My wife ... fraternal line of thought which want to make all human beings equal like mere twins. All human beings have differences, and have similarities and black African ...

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by jfolpf
Wed Feb 15, 2012 3:45 pm
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 258584

fraternal twins

Dizygotic twins Dizygotic twins (commonly known as fraternal twins, but also referred to as non-identical twins or biovular twins) usually occur when two fertilized ...

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by Yasaman.herandy
Mon Sep 08, 2008 2:07 pm
 
Forum: Genetics
Topic: fraternal twins
Replies: 4
Views: 5341

CHROMOSOMES

... "losing" the genetically-abnormal fetus while pregnant with fraternal twins.) So, just because you don't see alot of abnormal people walking around doesn't mean ...

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by LilKim
Sat Jun 16, 2007 5:26 pm
 
Forum: Cell Biology
Topic: CHROMOSOMES
Replies: 15
Views: 9375

Genetics question about skin color and hair type traits

... with a rare phenomenon that can only occur in a particular environment (fraternal twins, biracial couple) and so I fail to see how this addresses my specific genetics questions...?

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by kleinelola
Sat Mar 17, 2007 10:16 pm
 
Forum: Genetics
Topic: Genetics question about skin color and hair type traits
Replies: 3
Views: 4655
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