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Dizygotic twins

Dizygotic twins

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


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fraternal twins

Dizygotic twins Dizygotic twins (commonly known as fraternal twins, but also referred to as non-identical twins or biovular ...

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by Yasaman.herandy
Mon Sep 08, 2008 2:07 pm
 
Forum: Genetics
Topic: fraternal twins
Replies: 4
Views: 5021

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

... psychologist who reported a heritability for IQ of 77% for identical twins reared apart. Subsequently, he was widely accused of fabricating his ... criminal behavior of 52% for 202 monozygotic twins and only 21% for 345 dizygotic twins. American, Danish, and Swedish studies of children who were ...

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by TJJ
Fri May 16, 2008 12:13 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 68
Views: 218860

Reproduction...

But these cases are quite less but not rare. dizygotic twins are unlike usually, and growth rate differes. Monozygotic are alike mostly and growth rate of ...

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by Heronumber0
Sat Jul 07, 2007 6:43 pm
 
Forum: Cell Biology
Topic: Reproduction...
Replies: 9
Views: 4298

Reproduction...

But these cases are quite less but not rare. dizygotic twins are unlike usually, and growth rate differes. Monozygotic are alike mostly and growth rate of ...

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by sachin
Wed Jul 04, 2007 2:01 pm
 
Forum: Cell Biology
Topic: Reproduction...
Replies: 9
Views: 4298

Reproduction...

Ah, but what type of twins-? dizygotic twins (i.e. non-identical twins) are formed if two ova are released during a menstral cycle and ...

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by Revenged
Sun Jul 01, 2007 12:58 pm
 
Forum: Cell Biology
Topic: Reproduction...
Replies: 9
Views: 4298


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