Questions tagged [genetics]

For questions about a way to pass on biological information from one generation to the next.

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4
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8answers
1k views

How can the wealthy prevent the illegal propagation of their genetic code?

The human genome has been completely mastered and understood by the end of this century, which has led to a service industry revolving around genetic codes. Gene editing to prevent diseases are now ...
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2answers
129 views

Re Zero ; kill all and start over - what genes are associated with non violence

Anyone with a perfectionism mania would understand the urge to delete and destroy everything for the smallest mistake, the most insignificant impurities are disgusting and craze inducing from the ...
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0answers
24 views

Are humanoids capable of breathing in water and on land feasible? [duplicate]

Is it possible to genetically engineer a creature that can breath in air and water? If so, what changes would have to be made assuming the creature was originally a human?
2
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2answers
154 views

Making egg laying humans [duplicate]

What are the minimal changes to human biology that a biological engineer can make to create humans that successfully reproduce via egg-laying? Assume that he wants to preserve as much of the ...
6
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2answers
132 views

Can any monosaccharide be used as a XNA backbone?

I'm not a chemist—I'm an artist and I occasionally write. But I'm starting to get more and more interested in xeno/speculative biology. When it comes to these things I'm pretty much just looking at ...
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8answers
2k views

How long would it take an isolated population to develop into its own ethnicity?

Okay, so I had this idea that there is a group of refugees (a majority of them civilian families) taking cover from an invading force, vanishing into a mountainous region that serves as a natural ...
4
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6answers
264 views

What are some ways I can ensure that only a small amount of people actively try to pursue divination in a pre-modern society?

I'm trying to make a story where the amount of people that are able to see the future range from 1-0.1% (i.e. 1 in 100 to 1 in 1000). The problem I'm having is that I'm trying to have my cake and eat ...
-2
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1answer
110 views

What kind of genetic problems would arise after three, five and ten generations of inbreeding? [duplicate]

In this case I'm assuming that the family has been inbreeding to a level of 2 or closer for a certain amount of generations. Given this what would be the likely issues that would arise after: Two ...
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7answers
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How would “Amazon” (a female only subspecies) genetics work?

The traditional Amazon tribe in mythology is a society of only women that reproduces by capturing outside men. Suppose that the Amazons were an actual sub-population/subspecies of humans that, as the ...
1
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1answer
119 views

How would a Low Fantasy Iron Age setting be effected if Inbreeding and Divination were directly connected? [closed]

I'm trying to make a world with a very low fantasy setting in it. The world itself is currently at levels or similar to that of the Classical Civilizations during the later parts of the Iron Age i.e. ...
3
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3answers
569 views

How long would it take for inbreeding issues to arise for a family that practiced inbreeding?

The magic in my setting arises from inbreeding. However to gain the powers a person must be in-bred. How long would it take before such problems arise from inbreeding if the people continued this ...
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2answers
98 views

Superpowers from a Blood Transfusion

Okay, in a lot of pop culture, blood transfusions can give you superpowers. In Metroid, Samus Aran was given Chozo blood to enhance her strength so that she can survive Zebes' gravity. Zebes having a ...
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3answers
173 views

How could civilization deal with a prion pandemic? [closed]

Prions are misfolded proteins that cause neurodegenerative diseases. They are smaller than viruses and they are the smallest known infectous pathogen. Somehow they could reproduce on their own and the ...
4
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3answers
281 views

How can the human body be optimized, yet still be mostly human?

I've been curious for a while now about how much room we have left for evolution as a species, or at the very least, as a people, due to one of my projects involving genetically-engineered superhuman ...
1
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1answer
119 views

A genetic disorder that makes people look like an elephant and a whale

I want to know if the genetic syndrome I invented is logical or just a total fiction. There are seven symptoms: Gigantism; Truncal obesity; Alopecia universalis (the complete absence of hair all over ...
2
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1answer
126 views

Genetic disorder that would be the opposite of achondroplasia

Achondroplasia is a form of dwarfism that is characterized by short limbs and normal-sized abdomen, torso, neck, and head. Could there be a form of gigantism that is characterized by long limbs and ...
0
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1answer
135 views

Human-Alien Hybrid Babies (18+) [closed]

Okay, I have stories with interspecies sex, complete with viable offspring. What kind of gene editing would be needed for that to even work, and how would the resulting child's genes be expressed? And ...
10
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7answers
639 views

How different can an alien be from us if it is possible for us to have sex and procreate?

Aliens have arrived to Earth from the depths of space, and thankfully they are peaceful and only want to learn about us and interact with us. Despite some initial trepidation, first contact goes well ...
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4answers
1k views

Could cats sustain themselves in caves?

An odd question, yes, but a question I am asking anyway. I have a group of feral cats that lives in a cave system. They've lived down here for generations, and survival of the fittest weeded out the ...
2
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4answers
383 views

Plausibility of species with multi-colored skin

I am creating an intelligent humanoid species for DnD. I want them to have skin that has multiple colors. The colors would form patterns on the skin that would be random in each individual or could be ...
9
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8answers
405 views

What would determine the rate that a hereditary condition reveals itself after years of dormancy?

Long ago, an Eldritch deity was summoned to the city of Innsmouth within a ritual circle, where it was killed and consumed by the population. Devouring the flesh of the deity increased the mana supply ...
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8answers
3k views

Zodiac eugenics

Imagine a world slightly more developed then ours. For example internal combustion engines are becoming obsolete, they have fuel cells and electric cars. They also started using genetic engineering to ...
5
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4answers
896 views

Why can’t gene stealing parasites transform their hosts into magic users?

In my modern-day setting, people who use magic are called Fjǫlkunnigr, who gain four different powers based on core aspects of their personality called Megin. There are only three ways for someone to ...
4
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1answer
82 views

Linking genetic sex to a set of climate adaptations

My world is fairly chaotic, with the same 2/3 of it being completely broken up and remade in chunks such that the whole 2/3 is always completely different than it was ten years ago. So once species ...
9
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6answers
2k views

Founder’s effect causing the majority of people in a post-apocalyptic world to become colorblind?

So, in my world (or more rather the region in which my story takes place) when the nuclear war happened the majority of people survived in small, survivalist compounds, remote wilderness shelters, and ...
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4answers
463 views

Could polygamous family survive half siblings incest?

I'm worbuilding a situation about a polygamous family, consisting of a father, his several wives and their many children. They are cut off from their tribe, by highland rebellion which closed the only ...
5
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2answers
104 views

Genetic trait success tracking--is it possible?

Elf genetics works differently than the standard Darwinian model. Rather than success being determined by the gene-holder surviving and reproducing, genes are "tagged" with success levels at ...
2
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2answers
112 views

hypothetical population management scenario with a canind species with 1 males per 100 females

in this world, it's a number of small communities with a postindustrial level of technology where the male minority rules over the female majority with only one male born per a 100 females, with males ...
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4answers
103 views

Gene modification, does it give certainty or chances?

I don't believe this question is suited for Biology.SE, Medicine.SE, or any other stack, since it involves a real mechanism which is not applied in real life. And not every question has to be about ...
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4answers
171 views

How can enchancing a soldiers abilities decrease their life expectancy?

Griffith, a warlord from the ancient world, leads a group of mercenaries called "The band of the Hawk". They have achieved many victories and ultimately desire to build a kingdom of their own. ...
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7answers
529 views

Can an all-female species thrive to become divergent, despite their generic heritage from their mother?

In one of my stories, there's an alien species that are all female and are able to conceive through pathogenesis but I know this generically creates and an otherwise natural-born clone of the mother ...
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5answers
177 views

How do shapeshifters not get sick when copying other gene?

Imagine a certain group of intelligent species evolved the ability to edit their own RNA, manipulating the coding process to make proteins in their bodies. Why RNA you are forced to ask, well it's the ...
4
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3answers
191 views

Backwards-compatible Transhumanism: Is this feasible?

Let's say that we have a human society somewhere away from Earth which is psychologically ready for genetic transhumanism... perhaps humans just aren't coping with the environment, perhaps the local ...
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6answers
5k views

Why haven’t scientists found evidence of humans interbreeding with aliens?

In my alternative universe, Atlantis was a real city that existed, although it wasn’t called Atlantis or founded by humans. Atlantis or rather, Dosham was a city on an isolated landmass in the ...
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4answers
236 views

How small can I make this character without making it too weird?

I'm creating a character who was born after a long period of genetic instability, which created a lot more diversity throughout the human race. I'm planning on making my character excessively small ...
4
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2answers
551 views

Could triangular DNA exist?

This is sort of a follow up on my question Could a "multicellular" virus exist? in which part of the consensus was that viruses simply can't hold enough DNA. In theory, could DNA form in a ...
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2answers
203 views

Changing humans to their mirror image versions to become immune to infectious diseases

If we could replace DNA, RNA and the ribosomes in our cells by their mirror image versions, then everything would work in the same way, except that the chirality of all molecules would have been ...
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4answers
138 views

How can the effects of a Gene become weaker with each new offspring?

King Solomon, founder of the Solomonian Dynasty, was the first emperor of China. After he conquered the mainland, he gave his alchemists the single command of creating an elixir that would allow him ...
2
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1answer
126 views

How can antibodies induce a demigod transformation?

The Greek gods were sufficiently advanced aliens with access to powerful technology. In the begining of our worlds formation, Zeus created mankind from his own flesh. These mortals were made in their ...
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2answers
71 views

Effect of Prolonged Egg Diapause on Species

I have a species of megafaunal carnivore that are extremely mobile with territories spanning hundreds of square miles and lifespans of 120-150 years. They lay clutches of 2-3 eggs every 20-30 years,...
2
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2answers
334 views

What would happen if a black person used genetic modification to turn off the MC1R gene?

The MC1R gene turns pheomelanin into eumelanins but there are another kind of pehomelanin called pheochromes. So if a brunette or black person used a cosmetic gene therapy to turn off this gene how ...
2
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3answers
303 views

Could a species be able to be impregnated by anything?

Is there a way for a species to essentially become a living incubator of sorts? Not the other way around, as in Plausible ways for the alien species to be able to impregnate every and any species?, ...
3
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1answer
78 views

What abnormalities can result from long term cryogenic preservation?

Overlord Larmark is a scientist from the 21st century who is interested in world domination, and needs powerful generals to lead his armies. He looks to the ancient world, as only that time period has ...
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8answers
5k views

In a world with time travel, would it be possible to be your own mother's mother?

Given that you can travel back in time and have a baby there, or alternatively, send your baby back in time, would it be possible that this baby one day becomes your own mother (gives birth to you)? ...
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5answers
4k views

Can a population suffer from accidental inbreeding?

Consider a society that is both matrilineal and non-monogamous, such as Patrick Rothfuss' Adem from The Kingkiller Chronicles. For those unfamiliar with the work, there are basically two factors at ...
5
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1answer
110 views

Closed gene pool tribe after 800 years?

I'm leading my D&D party through an undiscovered land, where, as far as they know, no one comes back from. I want them to encounter an isolated tribe of as few people as possible -around 30 ...
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1answer
134 views

How much DNA half-siblings do share? [closed]

Title is pretty self explanatory, but how much DNA would half-siblings share if they had the same mother ? I'm asking for a very specific reason. I'm writing a book in which some boxes can only be ...
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2answers
131 views

How could 3D Bioprinting and Synthetic Biology be used for reproduction?

I think it will be possible in the far future to take a single person`s cells, genetically enhance and change them using genetic engineering and synthetic biology using new genes, and put it in a 3d ...
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5answers
431 views

How could someone use genetics to place a skin tattoo on their descendants?

Imagine a world quite like our own, except where technology took a different turn. Instead of researching communication, transportation, the cosmos, and the general nature of the universe, scientists ...
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6answers
544 views

How can the offspring of Gods always be completely human? [closed]

There exists a parallel universe next to ours called the warp, in which inhabit the Gods. These beings don't exist as physical entities, but abstract manifestations based on human emotions. Fear, hate,...

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