Linked Questions

4
votes
1answer
1k views

Outbreeding depression in humans [duplicate]

Is there any evidence of outbreeding depression in human beings?
3
votes
2answers
111 views

Is it possible that there are two people in the world who belong to a different species? [duplicate]

There're over 7 billion people in the world and every one of them is different from everyone else. Is it possible that there are two people so different that they belong to different species (in the ...
36
votes
7answers
12k views

Is evolution a fact? [closed]

Richard Dawkins in one of his videos says that Evolution is a fact and not just a theory. He goes on to say that man and chimpanzees both evolve from apes. Is this correct (Is evolution a fact and ...
81
votes
5answers
25k views

How could humans have interbred with Neanderthals if we're a different species?

To be clear, I'm not doubting that homo sapiens and homo neanderthalensis did interbreed: of that much I'm convinced. Within the past few years I've seen an upcropping of pop-sci articles discussing ...
38
votes
6answers
47k views

Do humans have enough biological differences to be grouped into races or subspecies?

After my online research on the subject, I learnt that, biologically speaking, many scientists believe that there is no such thing as a race. Homo sapiens as a species is only 200,000 years old, which ...
10
votes
3answers
1k views

Is there a consensus on whether or not race exists on a biological level?

The most recent survey I could find was from 1985 which said that 16% of biologist disagreed that "[t]here are biological races in the species Homo sapiens." I was wondering if there's been a change ...
11
votes
2answers
2k views

Online phylogenetic tree of human lineages

I am looking for a source of information about the diversity of human lineages and their relationships. With a quick google search it is easy to find this type of tree A perfect online resource ...
2
votes
1answer
5k views

Speciation of humans? [duplicate]

Since we homo sapiens (and all other species) are continuously evolving, are humans undergoing speciation based on our environment? OR has there been any difference across people that could say ...
4
votes
1answer
388 views

Is Homo sapiens the only extant species of genus “Homo”?

Is Homo sapiens the only species of genus "Homo" that survived?
1
vote
1answer
545 views

Genetic pros or consequences of children born to parents of mixed nationalities?

I've gleaned a potentially flawed impression over time that a more diverse gene pool should, in theory, result in healthier progeny. Something about dominant genes promoted over recessive genes.. As ...
0
votes
1answer
480 views

Is Race the Result of Microevolution

I've been studying evolution for some time and was wondering whether the emergence of different races is an example of micro evolution within our species? Bonus Question: is it impossible for homo ...
0
votes
1answer
140 views

Is Human a race? [closed]

Is it correct to say that 'humans' are a race? Will it also include apes and chimpanzees? Can I use the terms 'species' and 'race' interchangeably?
1
vote
1answer
146 views

Would chimpanzees and humans normally be in the same genus if we weren't so sensitive about it?

Listening to the BBC's radio program The Why Factor particularly poignant episode What Can Chimps Teach us About Politics? hosted by Professor James Tilley, I heard Professor Frans de Waal of Emory ...
1
vote
1answer
119 views

Correlation between genetic distance and birth defects

It is folk knowledge that in-breeding causes birth defects due to similarity of genetics between parents. Consequently, is there a similar correlation between genetic distance of parents and ...
1
vote
0answers
130 views

Why do scientists hold that there is no human race? [duplicate]

It has always seemed odd to me to say that there are no human races when there are clear features that set one group of people apart from another, like skin colour and average height. It is said that ...

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