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twins, dizygotic

Two offspring produced in the same pregnancy from separate ova fertilised at the same time.

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

... it so difficult to fully understand how they each contribute to who we are. Alas, suffice it to say, this is controlled for if the non-identical twins are always the same skin color too, which is usually the case since people usually select mates of roughly the same color. There could however ...

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by wildfunguy
Wed Jul 30, 2014 8:20 pm
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 269907

1 attached, 1 unattached earlobe

There is another possibility - some individuals are actually two individuals that merged as embryos: fraternal twins become one person. Parts of the individual are genetically distinct. First discovered, I think, when a CSI investigations decided that a child's mother was actually ...

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by Darby
Wed Nov 06, 2013 6:52 pm
Forum: Genetics
Topic: 1 attached, 1 unattached earlobe
Replies: 10
Views: 12408

Re: Do We Have The Freedom Of Choice?

... of event depends on our cellular make up as people tend to understand the same event differently; but what would be said of identical twins that basically has similar cellular make up, but would interpret the same event differently and even be at different places at the same time! ...

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by Fearnot
Fri Sep 13, 2013 7:06 am
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 28886

Help with biological metaphor?

... but they are still separate. They don't build a whole. The accounting fields, however, share vital organs so to speak. A bit like Siamese twins, however, that's kind of a cruel metaphor. So no my questions: Is my understanding of symbiosis right? Can you think of anything in nature that ...

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by bebe13
Wed May 15, 2013 8:13 am
Forum: General Discussion
Topic: Help with biological metaphor?
Replies: 10
Views: 5148

Re: XX - XY system explain prevalence of male homosexuality?

... over a third of men and 13% of women in their sample had had at least one homosexual experience to orgasm. [...] a recent study of almost 5,000 twins in Australia found that although only 2.2% of the men and 0.6% of the women were exclusively homosexual, a much larger percentage—13% of men and ...

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by wildfunguy
Wed Nov 21, 2012 5:44 pm
Forum: Genetics
Topic: XX - XY system explain prevalence of male homosexuality?
Replies: 2
Views: 2085
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