Questions tagged [genetics]
For questions about a way to pass on biological information from one generation to the next.
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Could gene therapy become the new plastic surgery?
In an EXTREMELY near future (the story is set in June 2028 of the Gregorian calendar), there are some people that use the gene therapy because they want to change their physical appearance.
For ...
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Would there be any side-effects of modded humans breeding with vanilla humans
Context
I plan on creating a world with two human populations, one that would have their respiratory and blood systems genetically modified (suited to be more resillient against oxygen poisoning ...
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Transgenic Peach DNA Splicing
It is possible to put a tiny amount of Human DNA in a plant:
https://www.smithsonianmag.com/science-nature/the-story-of-how-an-artist-created-a-genetic-hybrid-of-himself-and-a-petunia-25148544/
https:/...
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What genetic enhancements would maximise “luck” in humans? [closed]
In this Sci-if project of mine, bioengineering is now a highly advanced science, nay an art form, and humans are able to enhance their biology using injections of nanomachines which alter their genes. ...
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Genetics of a human-animal hybrid
It’s the age of genetic engineering, and Scientists, in league with shady corporations, have created a group of human-animal hybrids, hereafter referred to as Metamorphs.
Metamorphs are designed as ...
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Would humans on disparate planets with little to no contact with one another continue to evolve along different lines?
Would humans on disparate planets with little to no contact with one another continue to evolve along different lines?
In this universe, humans left Earth a hundred thousand years before. Or if it ...
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Are artificial genes discernible from natural ones?
In a sci-fi project, bioengineering is now a fashionable and profitable industry. A couple of bioengineers decide to play silly buggers with the exobiologists downstairs by cobbling together an ...
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How many generations could a small group go without suffering the effects of inbreeding
With a group of twelve human couples stranded on a island, how many generations could they go before becoming infertile due to inbreeding?
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Would a brain transplant suffer immunorejection if the new body was cloned from the original?
So, having rejected mind uploading in their quest for immortality, the people of my worldbuilding project now seek to develop brain transplanting.
The main problem is immunorejection; if you simply ...
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Alt. Biochemistry - Which of these is a suitable alternative/mirror to DNA?
This question is tied to the “Glass Trees” question I asked earlier which everyone seemed to like. Since y’all had such good opinions on that, I figured I’d bring this particular quandary to y’all in ...
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What would the technical problems be of mass genetic editing? Keidran Animal-Human Hybrids
The Setting
I hear you, I'll make this brief. It's been almost 30 years since the Aurea slow cargo ship arrived at Ilus. When they launched the Aurea, almost a century ago, they had the technology to ...
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In a righty-dominated society, how can authorities prevent a right-handed child from being born to two lefty parents?
In this society, superstitions regarding right- and left-handed people are accepted as fact. (I'm going to be politically incorrect and call them "righties" and "lefties" ...
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Is complete melanism possible in humans?
One of my characters has a genetic disease called "Complete Melanism". Her eyes, her skin, her hair, and her internal organs are all black. Like a famous Indonesian breed of chicken.
The ...
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How could a human develop magenta irises?
I'm writing a character and they have bright magenta Irises.
How could I explain the reason why they have that feature?
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Does it make biological sense for primates to come in every possible hair, skin, and eye color? [closed]
There are a lot of Japanese shows and games where people have many different hair colors and eye colors. There are even cartoons and games where people come in every skin color in the rainbow and ...
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How to have 'easy' sexual morphs in individuals with two identical sex chromosomes in species with XY or ZW sex determination?
Humans and many mammals have an XY sex determination system. This means that the presence of a Y chromosome makes an individual male, while having 2 X chomosomes (and lacking a Y chomosome) makes an ...
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Genetically variable cells that through natural selection achieves evolution in a single individual
I posted a question some time ago about how could genetic engineering design people that could adapt to changing conditions beyond what simple acclimatization or activation/deactivation of genes in a ...
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How could a species have two sex-determination systems?
I imagined a tetraploid species of teleost. This species has both XY and ZW sex-determination systems. I call this strange thing the VYW sex-determination system.
Genetic females have three V ...
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Do we have predictive knowledge of gene editing outcomes for heretofore unseen traits?
We can know what genes affect what outcomes by following the trail backwards, but can we predictively know what changes to what genes would result in completely different and previously unseen ...
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Is it possible to breed extremely peaceful humans?
There is a dictatrix (female dictator) who is a well-intentioned extremist. She wants to make humans as peaceful as capybaras by only permitting humans who are empaths/sympaths to reproduce, humans ...
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If a hypothetical person was extremely sensitive to consuming sugar, would that imply that their glycome was worthy of study? [duplicate]
For my sci-fi notes, I’m truly to figure out if the glycome of an alien allergic or intolerant to sugar would have a glycome worthy of study, that would be different. I’ve been researching all day but ...
Max
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Is there an Evolutionary advantage for 10% of my mammalian species from the Homo genus to have Von Willebrand blood-clotting disease?
In my world, there is a species of human called Homo hematophagous (blood eating human).
Traditionally, these vampires are a cannibalistic race: In war they often drank the blood from their rivals' ...
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Would a trait that's genetics have "circular dominance" be plausible?
Okay, so based on some quick research, there don't appear to be any real-life cases in genetics of "circular dominance" where, for example, allele A is dominant to allele B, B is dominant to ...
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What gene could have a mutation that makes humans have blubber?
In my world, there are three species from the Homo genus that make together a clade named the aquatic humans: Homo maritimus, Homo corpulentus, and Homo gigas (the names respectively mean "marine ...
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Is it reasonable to assume the near-extinction of women?
The world of Ruquelis has some problems. It is populated by men, women and winged lilim as in this question: How to get the Lilim to breed true?. People on Ruquelis reincarnate according to the ...
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How to get the Lilim to breed true?
On my worlds of Earth, Ruquelis and Ersutiabu, there are three sexes relevant to this question, Men (XY male), Women (XX female) and Lilim (LX female), where X, Y and L are sex chromosomes. Lilim ...
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Is there a paternity test method given medieval level technology with low false positive rate?
Determining genetic fatherhood is very important in my worldbuilding experiment for lots of reasons, one being succession, but regardless it's the genetic component that's important But it's possible ...
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A genetic disease that is characterised by both gigantism and intellectual disability [closed]
In an Of Mice and Men parody I want to write, Of Rats and Women, there is a 30 years old woman named Léonie Petit (her surname is ironic, because petit is a French adjective that means small/little/...
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How would a sapient eusocial species avoid inbreeding?
I have a sapient species in my setting called "mole-bears". I based their social system on eusocial species, specifically naked mole-rats.
Mole-bears are on average around 100 pounds and ...
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A genetic disease that makes humans of any origin have epicanthic folds (slanted eyes) [closed]
I imagined for a future film, a 21 years old human of French nationality and citizenship named Thérèse Arielle Huguette Flavie Alexandre (Alexandre can be both a given name and a surname, in this case,...
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How possible is it for someone to be born without a sex(physically)?
When I say "sexless", I mean that they are born without male or female phenotypic sex. Not identifying or being nonbinary, but Anatomically sexless. Note: This is not to offend anyone who ...
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A subtle war between the sexes
In this question, I detail a world with a third human sex, lilim, who have bat-like wings and taloned feet like a bird's. The TL;DR is that lilim give birth to equal numbers of men, women and lilim (...
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Is it plausible for only living animals to be valid candidates for cloning?
So in my seting an alternate universe that's 67 million years "behind" ours, T. rex is on the brink of extinction early, with only 1 member left due to extreme overhunting by universe ...
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How could an animal grow hair overnight?
I am trying to create scientifically accurate werewolves. Of course, werewolves are not really possible, but I am trying to make mine as believable as possible. How could they quickly grow hair/fur in ...
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Heterozygote advantage against pork tapeworm
Some heterozygote advantages in humans are:
People with sickle-cell trait are resistant to malaria, but people with sickle-cell disease tend to die young.
Depending of the source we believe, people ...
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Genetic engineering for "natural selection" in a single individual [closed]
Yes, I KNOW that evolution is a process that occurs through many generations via random mutations and natural selection, but in a world where humans have found a cure for aging and have mind backups ...
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programing genetic memory (or; the hard way to get your kids to clean their room.)
Is genetic memory in higher life forms real? if so can, in theory, an organism be programed for a specific behavior or set of skills? Ie: if genetic memory is a mechanism that does exist, at what ...
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A genetic disease that makes genetically and biologically male humans unable to grow facial hair (the opposite of hirsutism)
In a live-action musical film I want to direct, Le Président et Moi (which means "The President and I") (I want the film to have French as its original language), there is a character named ...
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What would be the differences between our society and one where almost everyone is half-sisters? [closed]
Imagine a medieval society composed entirely of women, with some small number of machines (let's say 7) which can take material from two women and combines it to create an embryo that's implanted in ...
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Would humans crossbreeding with animal people cause more birth defects? [closed]
I am working on a world inspired by witcher where humans and animal like race live together.
would for example, human crossbreeding with water dwelling humanoid cause something like mermaid syndrome?
...
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Impact on genetic diversity with 6 person mating groups
Context
I know enough about genetics to know I need to ask others. I'm writing an alien humanoid species that revers the number 6 as part of their culture and religion. Their marriage equivalent forms ...
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What kind of reproduction methods would allow for an only male animal species to exist?
I was reading that there are certain species of starfish which fission made them in some locations to have a scarcity of female starfish and in other locations there are species which only male ...
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What changes to a humans physical form would occur if society lived inside the Earth?
(Mandatory I am new here, hello, nice to meet some fellow world builders, sorry for any mistakes, yikkity yak and all that)
In my "world", it has been 500 years since the majority of human ...
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A genetic disease that makes humans have much more brown fat than the average human being
I wonder if the disease I invented is realistic or a total fiction.
In my story The Transcendence of Adolescence, there is a 17 years old homosexual (or lesbian if you want) transgender woman named ...
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A genetic disease that makes humans unable to produce adrenaline
I wonder if the disease I invented is realistic or a total fiction.
In a white drama/lighthearted tragedy (the opposite of black comedy/dark humour) web-series for a teen audience in mind I want to ...
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Variable Intelligence Among Dragons
In the land of Dracoriri, there are dragons. There weren't always dragons, once humans were the dominant species, but then magic-an unexplained phenomenon-invaded earth alongside creatures from ...
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Would many parents use In Vitro Gametogenesis and Designer Baby technology to choose to have girls with Complete Androgen insensitivity Syndrome? [closed]
I have been reading about Complete Androgen Insensitivity Syndrome and from what I understood these women have features like being more beautiful and more attractive than the average, lack of periods, ...
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How does the human body reacts to cells older than its own? [closed]
The question is:
If i could replace my arm with the arm of someone older than me, would the fact that the cells in the transplanted arm are older cause any specific reaction?
Please handwave all ...
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What would a heterozygote advantage against the mutant coronavirus responsible for COVID-19 look like?
Some heterozygote advantages in humans are:
People with sickle-cell trait are resistant to malaria, but people with sickle-cell disease tend to die young.
Depending of the source we believe, people ...
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Harmonizing Lamarckism with Genetics [closed]
Many Science-Fiction worlds, whether or not by design, have their aliens arise by what seems to be a form of Lamarckism. While this is all well and good, these same worlds also make use of a lot of ...
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