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Questions tagged [genetics]

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

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1answer
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Would it be possible to genetically engineer Dragons? [duplicate]

DRAGONS. ARE THEY POSSIBLE? By current genetic engineering..? no. But let's say somehow we got shot 200 years into the future?! Would you think it would be possible scientifically? Defining "...
2
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2answers
95 views

Could DNA Survive in Outer Space?

In my story the inhabitants of Earth are near extinction. They want to make a capsule of a bunch of human DNA and blast it toward the Andromeda galaxy. They take 1 oz of every blood type still living ...
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4answers
2k views

Could the Bunker Dwellers become noticeably different from Wastelanders?

So, in my world, there are a group of people, mostly unknown to the rest of the world, who took shelter from the apocalypse 90 years ago in great underground bunkers. Compared to the rest of the ...
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5answers
717 views

Why would a species require multiple inseminations in order to reproduce?

The Eldar are a psychic species with a similar body design to humanity within a galaxy-wide empire. They are far more advanced than other races, technologically and philosophically. Eldar have a ...
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10answers
340 views

Logical reason why would the bunker population use Wastelander DNA samples?

It’s been a little over 190 years since WWIII, AD 2157. Most of the surviving human population live in small farming settlements, tribal villages, or, if lucky, United City States. But, there exists a ...
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8answers
294 views

How could a bloodline ability manifest in one sex but not the other?

A kekai genkai is a bloodline ability that is passed down genetically within clans. They give users access to specific powers unique to that family. These abilities take a number of forms: going bones ...
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2answers
105 views

Pangenesis and alien life

Darwin's hypothetical mechanism of inheritance was called pangenesis, whereby the body continually produced particles of information - gemmules - which aggregated in the gonads, and that that the ...
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6answers
474 views

Can one individual be used to repopulate an entire species?

An evil scientist has engineered a plague that would kill anyone with an xy chromosome pair. This plague has systemicatically spread throughout the planet, killing all males within the population. All ...
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7answers
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Is intraspecies genetic incompatibility possible?

I'm creating a humanoid species, roughly based on humans. The difference is that not every opposite sex couple of fertile age could produce offspring. The premise of my story is based of some men ...
8
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1answer
180 views

How can professional leagues implement gene enchancement into sports while keeping a balance among athletes?

The year is 2050, and genetic enchancement is now commonplace in society. People can currently opt to improve their bodies through the form of gene packages. These are geared towards increasing ...
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7answers
410 views

How can I explain why Screamers weren’t created in Hiroshima and Nagasaki’s aftermath's?

So, in my post-nuclear US, a form of mutant, called “Screamers” are somewhat prevalent. They are stronger and stockier than humans, and are hairless and greenish-beige pigmented. As it turns out, ...
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2answers
65 views

Do we know which traits reside in which chromosome? [closed]

I'm intrigued with the possibility described in Is it plausible to make human gametes from different parent chromosomes?. Assuming that humanity developed technology that allows us to make sperm and ...
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2answers
107 views

How do I tune the incidence of gene expression in my fictitious population?

Related questions How can I make a net beneficial genetic trait occur only in a small fraction of the population, sustained? What percentage of the population has the “magic gene”? Premise When ...
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3answers
486 views

Is it plausible to make human gametes from different parent chromosomes?

I'm creating a near future world where laboratories could create human gametes (sperm & ova) using chromosomes from different people. So theoretically we could take 1st chromosome from a 1st ...
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4answers
221 views

Biology of hermaphrodite species

How from a evolutionary standpoint hermaphrodite species can exist and have a good genetic diversity, with no self-impregnation? But, this race visually looks more like females, they do have breasts ...
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13answers
4k views

Real DNA encryption (or at least making it hard to decode/change)

So I'm the owner of a startup which is going to make our lives easier with custom-DNA creatures! Our few first products are selling very well and nothing was wrong until last week's events. Another ...
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2answers
132 views

Could a species develop its civilization if it wasn't violent? [closed]

The race I'm designing originated in a small island in the middle of an ocean the size of Crete, which has no natural predators. That, combained with a random mutation that occured in this species ...
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2answers
486 views

Can genetic modifications become hereditary? [closed]

Could genetic modifications become hereditary over time? If so could they evolve over time similar to regular genes? For example making carbon fibre bones for whatever reason would they eventually ...
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4answers
214 views

How can isolated matrilineal societies avoid loss of genetic variation?

In this setting, the family unit is based around a clan system. An individual's wealth and status is related to the clan they are born in, and it's ancestry is based on matrilineal lines. Due to ...
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3answers
167 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 ...
2
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1answer
503 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
233 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 ...
7
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1answer
257 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
82 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 ...
7
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3answers
146 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 differences between the male and female phenotype is an example of polymorphism in humans (and ...
1
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1answer
140 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
105 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
165 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
100 views
2
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1answer
107 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 ...
7
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2answers
213 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 ...
7
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2answers
584 views

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
384 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
286 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 ...
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3answers
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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
166 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
162 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
253 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
345 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
673 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
416 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 ...
5
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1answer
243 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
372 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
142 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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2answers
171 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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11answers
2k views

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
206 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
186 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
2k views

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 ...