The science of genes, heredity, and variation in living organisms.

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8
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0answers
200 views

Do races/ethnicities have different odors?

This is a serious question and not intended to demean any ethnic group or racial group. I'm Caucasian and have dated Asian (Chinese), black and South Asian (Indian and Pakistani) men. I have noticed ...
4
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1answer
398 views

Does speciation occur?

I am not questioning the theory of comment descent, but I am skeptical about the evolutionary mechanisms proposed for speciation. Have we ever observed in detail how speciation occurs? We can take ...
1
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0answers
46 views

Does research into genetical differences increase or decrease public prejudice? [closed]

I've come across this question in different fields. Gender & race being the most controvercial but also things like hair color and left or righthandedness. When proper research is done, does it ...
3
votes
1answer
257 views

Did the Lenski experiments result in additional genetic information?

In the debate between Bill Nye and Ken Ham on Feburary 4, 2014, Ham claimed the Richard Lenski experiments added no new genetic data. He went on to show a clip from Dr. Andrew J. Fabiach, a ...
0
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0answers
195 views

Do Jews mostly descend from Shem, son of Noah?

I mean, I am not exactly a creationist. However, http://en.wikipedia.org/wiki/Shem How come we have a race called "semite" as in anti-semite? It's as if people think that those people are descendant ...
3
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0answers
145 views

Can phobias be genetic, but created in one generation and not by natural selection?

I have seen this article floating around http://www.telegraph.co.uk/science/science-news/10486479/Phobias-may-be-memories-passed-down-in-genes-from-ancestors.html Pretty much they state that if a ...
1
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0answers
95 views

Is homosexuality primarily genetic? [duplicate]

It seems to me that, evolutionarily speaking, the fitness of a purely homosexual animal or human is much lower than that of a heterosexual one, and therefore would be strongly selected against. Thus I ...
2
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0answers
2k views

Is 80% of childs intelligance acquired from mother? [closed]

Several articles on internet claim that 80% of child's intelligence is acquired from mother. however not providing any scientific publications. Is it really true? source: ...
3
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1answer
364 views

Could the Australian Aborigines have Descended from Three People?

My anthropology professor claimed that certain genetic simulations showed that the Australian Aborigines could have descended from a population of only one man and two women. Those three people and ...
13
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4answers
1k views

Does homosexuality preserve the species?

From The Huffington Post: For even without a causal link established between homosexuality and population management, the obvious reduction in population growth attributable to homosexuality by ...
17
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1answer
993 views

Did drinking milk cause an evolutionary change in the human genome?

In a recent Slate article "The Most Spectacular Mutation in Recent Human History. How did milk help found Western civilization?" (October 23, 2012), a claim was made that: [Around 10,000 B.C.] a ...
6
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2answers
387 views

Could obligatory screening for Thalassemia in Cyprus violate the bioethical rules?

Stefan Beck, a visiting assistant professor at the University of California at Berkeley, claimed: “The obligatory screening and counseling for Thalassemia in Cyprus is one of the most successful ...
3
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1answer
16k views

Do humans share 99% of their DNA with rats?

I keep hearing this claim that a lab "rat has 99% of the DNA of a human?" Is that so? What exactly does this mean? One source for this claim seems to CNN which only says, "About 99 percent of ...
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0answers
29 views

Is the rate of Human Evolution Slowing down? [duplicate]

Possible Duplicate: Is human evolution slowing down? I know that this question already exists and have read through. Is human evolution slowing down? Mutations have to happen agreed, but ...
2
votes
1answer
172 views

Does a gene predict the time of day one dies?

In this article from the Huffington Post it is mentioned that a certain gene can predict what time one will die (of natural causes). Not the date, but the time of the day. "This particular ...
10
votes
1answer
824 views

Is intelligence declining due to the lack of selection pressure?

I have read lately that human intelligence has already peaked and that it will slowly decline over time because humans are no longer naturally selected for intelligence (Darwin award winners aside). ...
14
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2answers
834 views

Are Ashkenazi Jews largely descended from Khazars?

There is an obvious ethnic subdivision within Jews, between the Sephardic and the Ashkenazi. In several vaguely antisemitic websites (see for instance, here, here, and here ), but also in a completely ...
11
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1answer
506 views

Do corporations own human DNA sequences?

I came across the claim that Human DNA sequences are now owned by corporations: FACT: HUMAN DNA SEQUENCES ARE NOW OWNED BY CORPORATIONS Is this true? If so, what does this mean? (I realise ...
13
votes
1answer
706 views

Can a twin perceive that the other is in trouble?

There are many stories about twins being able to "feel" each other even when they are apart. Typically a twin would say that they felt that an accident or some other calamity happened to the other one ...
14
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2answers
5k views

Is there more genetic difference between men and women than men and monkeys?

I got into trouble with someone yesterday for poo-pooing this idea as it smelled of apples and oranges to me. The specific statistic was that genetically there is a 5% difference between men and ...
7
votes
1answer
622 views

Have scientists demonstrated an absent protein can cause chicks to be born with scales rather than feathers (as well as reptile scales to feathers)?

While researching and educating myself about evolution, I've come across an interesting claim that I'd like to learn more about, but so far, I've only been able to find the claim and no sources or ...
8
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0answers
296 views

Was Charles Darwin's family adversely affected by inbreeding?

I was reading the Wikipedia article on Inbreeding depression when I came across this: Charles Darwin, through numerous experiments, was one of the first scientists to demonstrate the effects of ...
4
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2answers
1k views

Correlation between MAO-A gene and murderers / sex offenders

The MAO-A gene, also known as the "Warrior gene", is thought to cause increased antisocial and violent behavior patterns in people who have experienced an abusive childhood. [ref] Caspi et. al. found ...
4
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1answer
8k views

Are all white cats with blue eyes deaf?

I was told that all pure white cats with both eyes being blue are completely deaf, and that all pure white cats with one blue eye are deaf on the side that has the blue eye. If the cat has even a ...
11
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2answers
4k views

Can Tifton 85 grass produce cyanide gas?

Today I read something quite unexpected: Preliminary tests revealed the Tifton 85 grass, which has been here for years, had suddenly started producing cyanide gas, poisoning the cattle. [...] ...
17
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2answers
2k views

Are Ashkenazi Jews smarter?

I just received an email entitled "Why are Jews So Smart". You can read an article here. I also found a similar article in New York Magazine. Did Jewish intelligence evolve in tandem with Jewish ...
9
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1answer
3k views

Does inbreeding cause severe birth defects?

I've been doing some research on breeding rabbits and saw many people mentioning that if you inbreed rabbits (father-daughter/mother-son/sister-brother) that there is only a small chance of birth ...
9
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0answers
420 views

Is it possible to hatch dinosaurs from chicken eggs?

This article is one of many articles talking about re-enabling some dinosaur features in chicken. I don't know a lot about genetics or paleontology. Most articles I've found about the subject use ...
20
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1answer
2k views

Are Adolf Hitler's DNA samples available?

A recent report published by LePoint claims that a Frenchman named Jean-Marie Loret is Hitler's son. The evidence in favor of this claim cited by the Huffington Post includes: Hitler and Loret ...
13
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5answers
623 views

Has natural occuring genetic insertion ever been observed in direct offspring of some organism?

Maybe this is somewhat of an ignorant question of me, and in all honesty I haven't tried very hard to find what I'm looking for1, but I keep hearing the argument that "information" can never be added ...
7
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1answer
1k views

Are red heads more likely to be hot headed?

It's a common cliche that red heads are more likely to have a fiery personality. To quote from Wikipedia: A common belief about redheads is that they have fiery tempers and sharp tongues. In ...
35
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1answer
6k views

Is there any harm in forcing/re-educating a left-handed child to use their right hand?

Backstory: Many of my relatives were subjected by their parents to a "training process" to "prevent" left-hand-dominance. This method started at a very young age and basically consisted of politely ...
8
votes
2answers
1k views

Is Lamarckian evolution still considered credible?

I had thought that Lamarckian evolution had been essentially dismissed in favour of Darwinian evolution. Lamarckian evolution as I understand it is essentially the idea that the traits an organism ...
3
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1answer
758 views

Is Y-chromosomal Adam younger than Mitochondrial Eve?

A Christian claimed to me that: the Y-chromosomal Adam is way younger than the Mitochondrial Eve. Is this true? He argued that this was consistent with the biblical account: that Noah is ...
5
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2answers
262 views

Can one's genetics account for x% of their weight?

I have seen statements like this in various places: "Such and such accounts for X percent of so and so". But it's not always clear what this means, how it is calculated or proven. You will see this ...
15
votes
2answers
2k views

Is one in two hundred men a descendant of Genghis Khan?

I've read years ago that 8% of all Asian men and thus 0.5% of all men would be descendant of Genghis Khan. Is there any truth to this? Or was this some trick to get their paper published? EDIT: ...
47
votes
2answers
2k views

Are girls and boys pre-programmed to behave… like girls and boys?

My dad claims that even as toddlers, my sister and I knew which toys to play with. For example, I would always pick up toy guns, Action Man, and other similar toys. She would always pick up Barbie. He ...
9
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3answers
890 views

Can one be naturally better at computers than English or Maths?

I think everybody heard this claim, and its opposite, a million times. Students or teachers commonly speak about having talents for a particular subject or another. The subject is debated, for ...
23
votes
4answers
888 views

Is reviving an extinct species possible?

With all the science of genetics, and genetic engineering, would reviving an extinct species possible? Yes, akin the story of "Jurassic Park". Would it be possible now, with the science we have ...
12
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2answers
717 views

Is baldness inherited?

There are many articles on how baldness is inherited (mostly from the mother's side of the family). In the BBC Life program, the narrator linked baldness to higher levels of testosterone. Is ...
5
votes
1answer
439 views

How reliable is identification via DNA matching?

For example, how did they identify Osama bin Ladin? How can they identify with such confidence a DNA match? How can you compare DNA against a sister and determine that it is indeed Osama bin Ladin? ...
36
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2answers
3k views

Is Genetically Modified food safe to consume?

What's the truth surrounding the popular idea that genetically modified food is dangerous to consume? There's entire websites and institutions dedicated to popularizing the alleged dangers of eating ...
20
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1answer
4k views

Has increased computer use led to increased myopia?

According to ABC News and this Ophthalmological study there has been a significant increase in the number of people with myopic eyesight over a recent 30 year period. From the ABC article: There ...
31
votes
2answers
2k views

Is IQ hereditary? If, to what degree?

The movie Idiocracy suggests that intelligence is hereditary; this idea has also been perpetrated by a German author (Thilo Sarrazin) who claims that due to the higher fertility of Islamic immigrants ...
42
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6answers
3k views

What risks exist with GMO, but not with selective breeding?

Anytime you hear Genetically Modified Organisms (GMO) come up, someone always pipes in that it's perfectly safe because we've been doing it for thousands of years through selective breeding. ...