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18 votes
Accepted

How do human girls who are sterilised at age 9 develop as they mature?

They Would Look Unusual The best bet for an approximate equivalence here would be Estrogen Insensitivity Syndrome. The default body plan is female, and initial development (including uterine ...
jdunlop's user avatar
  • 30k
6 votes

How would burn-proof people react to enflamed alcohol?

Humans don't have an instinctive aversion to fire As any parent will tell you, if you leave a child around a fire or a stove, they'll probably try to touch it. Humans are deeply curious about fires, ...
Nepene Nep's user avatar
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6 votes

Does the addition of fantasy races change racism in humans?

Possibly. Possibly not. Your call, and you can build consistent worlds either way. Look at racism and the definition of 'whiteness' in the US over the last century or two. People like Irish Americans,...
o.m.'s user avatar
  • 111k
4 votes

How many members of a species would be required to prevent inbreeding?

All human relations have some degree of inbreeding because we share a common ancestor. You may have two parents, four grandparents, and eight great-grandparents, but the pattern can't continue back ...
parasoup's user avatar
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3 votes

How many members of a species would be required to prevent inbreeding?

There are several studies / articles which indicate that you can get into the mid to low 2000 range without to much of a genetic bottleneck. Indeed, all Humans these days are genetically speaking ...
ErikHall's user avatar
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3 votes

How would burn-proof people react to enflamed alcohol?

Flaming Shots I've done it, and I'm not immune to Fire. Other people have also done it, who are also not immune to fire. If I was immune to fire - you can bet that there would be alot more shenanigans ...
TheDemonLord's user avatar
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2 votes

How large of an initial population would it take for these new traits to average out into the standard population of the world?

It's totally up to you. The thing about evolution is that sexual preferences also make a difference. If men/women want to mate with something with digitigrade legs and a tail then it can happen with ...
Kilisi's user avatar
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1 vote
Accepted

How large of an initial population would it take for these new traits to average out into the standard population of the world?

This depends on your definition for "the norm amongst all humans". If you want absolutely 100%, every-single-human-of-billions, you can't reasonably achieve that on a global scale. There ...
Palarran's user avatar
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