Questions tagged [genetics]

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

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3answers
221 views

Could the genetic makeup of two parents theoretically combine just right to make a superhuman, or at least semi-superhuman child?

Basically I want my character to have only gotten their powers through the luck of two parents with the right genes mixing. Technically, given enough time and enough generations of breeding, couldn't ...
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2answers
609 views

Hereditary immortality: Plausible?

Background info I am writing a story and I have a young character named Lydia who is worried about dying young and having fertility problems. Her not so close family has a history of that. Dying so ...
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5answers
261 views

How do you motivate workers to conduct dangerous missions?

So, this is for a "space drama" that is set in the not too distant future. The world is running out of resources, but has developed an rudimentary interplanetary travel capability. Several planets ...
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1answer
391 views

How many generations to lock in androgynous human characteristics?

My story happens in fictional medieval age. There are the usual suspects of peasants, clergy, craftsman, merchants & aristocracy. There is also a specific class of hereditary servants. They work ...
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1answer
120 views

How do I measure the stages of futuristic genetic engineering development? [closed]

Please note this question was originally asked and deleted by the user Era. I've chosen to resurrect the question with slight modifications because I think it is deserving of and will foster ...
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3answers
291 views

2-Dimensional sexual polymorphism - What chromosome system would allow this kind of reproduction?

"Polymorphism" is the name for when members of the same species exhibit different physical forms. The difference between male and female phenotype is an example of polymorphism in humans (and mammals/...
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1answer
171 views

How would the genetics of a species with three genders work? [duplicate]

I've read some lines from wikipdeia and it didn't really help. So... Here I am. My alien species has three genders and all of them are active in the act of reproduction. In doing so, I would like to ...
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1answer
114 views

Human Genome, does it hold “secret/lost/inactive” Code shared with animals VIA our Common Ancestors? [closed]

I seem to remember reading that in the human genome there's a lot of "inactive" code, codons that might have been useful millions upon millions of years ago but now have no effect on the human body as ...
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3answers
243 views

How to make changes to a human person's DNA actually be expressed in the individual's phenotype

A flaw very often pointed out in your run of the mill genetic terror story is the instant effect of genetic changes. What would it take for a specific change in the specimen to actually appear (near) ...
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7answers
5k views

Will a race survive eugenics?

I recently watched the classic film Gattaca, which is about a world in which humans are selected with desirable traits at birth. Ignore all the ethics of abortion and genocide (like those claimed for ...
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1answer
109 views
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1answer
160 views

The Multi-Purpose Horse: Stage II: The Shiring [duplicate]

Last time, I asked if it's possible to breed a five-gaited horse as hardy and adaptable as a Yakutian horse. Turns out that it's not as straightforward as initially assumed. It seems that not all ...
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2answers
345 views

What would happen if people started breeding seals for companionship, like dogs? [closed]

I have edited the question, and it is no longer too broad. My one and only question is the one shown in bold below. If you agree that it is not too beoad in this state, a vote to reopen would be much ...
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2answers
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The Multi-Purpose Horse: Stage I: Icelandic x Yakutian

I am in pursuit of, as the title says, a multi-purpose horse, a single breed that can do all the things that the others were only specialized for: travel, labor, companionship, war, speed, strength. ...
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3answers
460 views

Travelling in space for 6000 years, how many persons are needed? [closed]

So a spaceship is on its way to a new planet. The crew needs to survive during 6000 years on board. They will not get any help and they need to survive on their own. How many persons would need to be ...
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3answers
451 views

What Could Aliens Do To Devolve Humans With A Germ Line Virus?

The Objective Lots of questions at this site consider how humans could be enhanced with genetic engineering. But, if you are an alien, you may have the opposite priorities. These aliens are civilized ...
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Taxonomy of genetically engineered species

The Context I have a group of genetically engineered people known as 'crows'. Their genome has been meddled with significantly enough that they are unable to successfully reproduce with humans, but ...
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3answers
213 views

What can be said about phenotype inheritance based on this family tree?

Take the following family tree, which is meant to show individuals exhibiting in their phenotype a particular genetic trait. White boxes (A, ...
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2answers
212 views

How do I create a gene simulator? [closed]

I want a machine that can read DNA and then project what the creature looks like. I have a computer that is as powerful as needed but I don't know where to start. What are there major challenges to ...
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3answers
286 views

Future People on Earth [closed]

I watch the TV show The Last Man on Earth and there is only a handful of women and men living. In the show the few are trying to conceive. They haven't covered how eventually they will have to inbreed ...
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5answers
578 views

What genetic modifications would be beneficial for post apocalyptic warriors?

During a nuclear total war between to superpowers, a military unit deserted and formed the gang which they called "Cobras". There is a gang of malcontents and misfit mauraders who collectively call ...
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3answers
1k views

What Would Be Needed To Produce Human Hermaphrodites?

What kind of mutations would be necessary to cause humans to start producing fertile hermaphrodites?
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4answers
476 views

Methods to Implant Serial Numbers in/on Clones

I am writing a science fiction story with mass produced clones. Since I have a number of clone I need to tell them apart. The ID system must be: Permanent over the lifetime of the clone (call it 150 ...
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2answers
516 views

In a species of simultaneous hermaphrodites, would there be any meaningful difference between siblings of the same parents in opposite roles?

Inspired by this question: Sexual reproduction without biological sex And, to a lesser extent, this question: Would a society of simultaneous hermaphrodites have gender roles? I'm not particularly ...
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2answers
787 views

Is it possible to breed genetically perfect humans [closed]

Is it possible to breed humans to create a group with no mental or physical deformities. And get to the point where this group of humans is also biologically more resistant to mutations that might ...
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3answers
172 views

Perceiving color like a native

Assumptions One habitable world in each system (blue sun system and yellow sun system). The two worlds are fundamentally Earth-like. The native humanoid species on each world are genetically ...
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3answers
259 views

Could you breed a hominid to have an identifying crest?

This question is related to the world from my prior questions, in which several types of intelligent hominids evolved in isolation, until they were rediscovered, conquered, and bred into a biological ...
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10answers
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Could your grandchild be genetically identical to you?

Plain and simple: could your offspring's offspring be genetically identical to you? What conditions would this be possible under, if any?
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2answers
231 views

A friend has an idea for a PA colony traveling to Proxima Centauri B but need help fleshing it out

So, my friend had an idea for a weird Post Apocalypse society traveling through space towards Proxima Centauri B, and she's trying to figure out where the population would be 50 and 100 years after ...
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1answer
227 views

Would it be viable to have a pre-wired brain rather than one that is soft-wired or hard-wired?

(Edited question to meet concerns) The Problem Can you create synthetic biology that can be installed temporarily in human DNA to give people skills at birth, or are there problems, risks and ...
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10answers
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Why would life on a different planet use DNA?

Life on Earth pretty early on settled on deoxyribonucleic acid organized in chains of base pairs as the means to code for the construction of proteins which make up a lifeform. It also has the benefit ...
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3answers
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How small can a population be with regard to genetic diversity?

I'm working on creating a species that favours small families for a number of reasons, and have no interest in 'breeding as much as possible'. As a consequence, their population size is small. But how ...
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13answers
2k views

How does a species with three “sexes”, where only two needed are at a time, determine the sex of its offspring?

I am trying to figure out the sex-determination of a very foreign form of reproduction. A species has three sexes X, Y, and Z. X produces X gametes, Y produces Y gametes, Z produces Z gametes. They ...
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2answers
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Genetic Compatibility Amongst Differing “Fantasy” Races

Okay, it's a staple amongst certain fantasy settings where you have different races of creatures and beings co-habiting, which leads to certain off-shoots of different races (the half-elf and half-orc ...
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7answers
436 views

How to Extend Female Fertility Period without Altering Current Pubescent Timing?

I would like to use CRISPr Cas9 technology to extend the life expectancy of my fictional civilizations. From what I understand, CRISPr could extend life by lengthening telomeres and improve quality of ...
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16answers
5k views

Can an Alien Breed With Earth Animals?

This is my first post here, but here we go: I have been creating an alien world for a while, and the sentient species on it is very canine-like. They have a canine body, legs, and head, and the only ...
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1answer
90 views

Enhance our body by fusing It with better genes

Is it possible for a human body to became better by fusing it with new and better genes if other species? I played Mass Effect: Andromeda and this idea just doesn't come out of my head. I mean - ...
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21answers
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Sure-fire way to identify an heir in a world without genetic testing

My question is about unusual hereditary traits in humans. I'm new here and this is my first question - apologies in advance if I've accidentally messed this up or covered existing ground. I'm writing ...
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11answers
3k views

How to create a genetically high IQ population while avoiding regression to the mean as much as possible?

Let's say we have a group of high IQ individuals of a sizeable number. In what manner should they reproduce in order to maximise the odds of creating a genetically high IQ population over several ...
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1answer
301 views

Can human evolve or mutate to become super powerful [closed]

I was wondering, if one day in the future it would be possible for humans to evolve (without tech embedded implants) to characters such as Goku, Hulk ,etc. Characters who are far physically superior ...
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3answers
215 views

Sandalphon: A Machine that Copied Gametes

Obligatory Premise In the year 2201, Diego OfeAde has been in control of Mars for 50 years. He has moved mankind into Valles Marineris and his aggressive population expansion program has seen the ...
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3answers
559 views

Are genetically engineered wyverns with my specifications possible?

In my post-apocalyptic iron age world meant to be a sci fi twist on fantasy tropes, wyvern like creatures simply known as fliers were said to have been originally created by a crazy billionaire as a ...
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2answers
312 views

Human Multichromacy--Is This Possible?

In the History Channel program Clash of the Gods, some of the highlit characters have been given some interesting physical liberties. The episode "Minotaur" features King Minos with a meerkat-like ...
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3answers
199 views

Little Big Planet

Doctor Eric Von Dufe may be a mad scientist, but he still has to work on his evil side. His latest plan? Create small versions of large animals and large versions of small animals. Assuming he has all ...
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2answers
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Traveling between worlds

If someone could travel between worlds that are not exactly parallel universes, or maybe not even different universes, like for example Asgard, Midgard, Hel, Alfheim, etc., would that be possible due ...
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4answers
722 views

What happens when genetics and popular politics collide? [closed]

Disclaimer: I understand that the question I'm about to pose has the potential, even the probability, of creating a firestorm response. I'm hoping it won't happen and thank everyone in advance for ...
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3answers
298 views

If a major disaster wiped out most of humanity, how many survivors would there need to be in order for them to rebuild? [duplicate]

I have a story set about five thousand years after a major disaster reduced the world population from billions down to... well, that's the question. How low could it have gone, and still provide the ...
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6answers
4k views

How could the intelligence of elephants be raised to a level closer to that of humans?

Elephants are some of the most intellingent mammals, and they have large brain sizes compared to people. They are said to present self-awareness among other things. How could one go about raising the ...
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5answers
332 views

What could cause human females to have an yearly menstrual cycle in the future?

I'm working on a story that is set in the future where human females have evolved to have a fertile period once a year for two months. Is such an evolution scientifically feasible?
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10answers
2k views

Genetic structure of a trait with six discrete phenotypes

In my world magic is conferred genetically. Their are five "types" of magic, which never mix. You either have one type, or you have another (or none at all, the sixth option), you never have a mix of ...