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What Are Some Beneficial Genetic Traits For Humans?

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Jordan Quiles

on 29 January 2017

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Transcript of What Are Some Beneficial Genetic Traits For Humans?

Super Sleeplessness
Some people can sleep less than 6 hours of sleep a night
They have a rare genetic mutation which allows them to need less sleep
If normal people did this they would start getting negative health impacts.
Only less than 1% of short-sleepers have this, so if you think you do, you most likely don't
High Pain Tolerance
Research shows that people with red hair have a higher tolerance for stinging pain and spicy food.
This is due to a variation of the gene that makes their hair red and also lowers melanin.
This is why they are very pale
This is a good thing, because the same mutation causes them to be less responsive to anesthetics under the skin
Resistance to Pathogens.
Sickle cell anemia is a genetic disease which makes red-blood cells a sickle-shape.
Sometimes people only get one copy, making it sickle cell trait. Sickle cell trait has no side effects.
People with sickle cell can confuse the deadly malaria parasite, therefore being resistant to the disease.
Up to 40% of people have the mutation where malaria is common.

Some people are resistant to HIV, a virus.
This is because they lack the protein,(CCR5), which the HIV virus uses to enter the body.
Still, some people have contracted and died from AIDS even without the protein.
This is because there are some unusual types of HIV which use other proteins to invade the body.
Some people have 2 copies of the gene, and are most resistant, and it includes only 1% of the Caucasian population.
Golden Blood
While we know that there are 8 blood types, A, B, AB, and O,(negative or positive), there are actually 35 blood types. These other groups are rare.
There is one blood that is unusual because it has no Rh antigens.
That means that the body won't reject that blood, making this blood a universal donor.
But the people who have this blood can only get blood donated by other people with Rh-null blood
Super Flexibility
People with a condition called Marfan Syndrome are extremely flexible
It affects the body's connective tissues.
People who have this are usually really tall and have long limbs.
It is a spectrum disease, which means that people with mild cases can live normal lives, but severe cases can be deadly.
What Are Some Beneficial Genetic Traits For Humans?
No High-Blood Pressure
Some people can eat fried foods, bacon, eggs, or anything with high cholesterol.
These people were born without working copies of a gene called PCSK9, and have as much as an 88% lower risk of heart disease.
Super Strength
Certain people have a genetic condition that prevents them from producing two proteins that control strength in muscles.
These people are able to grow their muscles extremely large, resulting in super strength without working out or drugs.
Super Dense Bones
There is a gene, called LRP5, which controls the body's bone density. Alters in this gene can cause osteoporosis, but in some rare cases, it can raise bone growth instead, sometimes to the point of almost-unbreakable.
There is only one side effect- benign bony growths on the mouth.


Red-and-green colorblindness is caused by a genetic mutation. it's more common in men, since they have only one copy.
But women have two, and if one of their X chromosomes gets altered, she would be able to see a wider spectrum of colors no normal human could see. She would be called a "tetrachromat."
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