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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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3
votes
3answers
248 views

What is the the most efficient way to design and administer an infertility plague?

My name is Adolf Palpatine, a kind and benevolent Buddhist monk on the path to enlightenment. I have figured out a way to game the system. By making a deal with a demon, I have gained the ability to ...
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6answers
492 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,...
3
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4answers
151 views

How can a human male be made to produce sperm for another species?

An alien creature has secretly landed on earth, seeking to propagate itself among the local species. It studies the individual sexes of a race called humans and determined that the males would be more ...
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2answers
150 views

Did people have an idea of DNA in the 17th century? [closed]

I know that DNA was discovered later in time but during the 17th century, specifically around 1620 and onwards, would people have known anything about the idea of DNA? If so then how much would they ...
11
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4answers
1k views

Myelination in cephalopods

I am a complete amateur regarding biology, so please forgive me if this question is a little stupid. Could we ever create squids that have human-level intelligence and could serve as a replacement in ...
4
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6answers
237 views

Why can't I activate bloodline abilities despite access to proper genetic material?

I am Incognito, a mad scientist who studies the bloodline abilities of specific clans. My research has led me to a small village which hosts a powerful family called the uchiha clan. These individuals ...
5
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3answers
115 views

What's the best way to store genetic material in a dystopian environment?

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 its ancestry is based on matrilineal lines. Due to ...
0
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2answers
127 views

ideal virus for eco-terrorist [closed]

This is a follow up question to my earlier question what makes a disease deadly? In my book, the villain, a biology professor inspired by Ted Kaczynski, wants to revert humanity into a hunter ...
2
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5answers
262 views

Species where every individual looks the same

I was thinking for ideas for new species for the planet I'm currently worldbuilding, and it occur to me if there could be a species (humanoid) where everyone looked exactly the same, and if this could ...
10
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12answers
2k views

Genetically engineered de-evolution

Why might a species advanced enough to develop genetic engineering start a process by which their own genes, over hundreds of years, would get edited back to resemble their more primitive ancestors? ...
3
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3answers
221 views

Decimating humanity though no daughters gene - when and where to introduce it?

At one point in the past, a man had a mutation on his Y chromosome. Anyone with the mutation would only produce Y sperm, and only have sons. My plan is to have this have a big impact that threatens to ...
31
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18answers
11k views

How does an all-female medieval country maintain itself?

Here's a question that came up while I was tinkering with a setting I'm working on. How would a small city-state, with a population in the tens of thousands, where all children were girls, sustain ...
6
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3answers
114 views

What are my “viral” humans harvesting from from my uninfected humans?

The following scenario takes place on Earth, sometime in the next few decades. An unethical biotech company has developed a deadly bioweapon that uses humans as a vector, almost like a suicide bomber ...
45
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13answers
14k views

Could humanity survive if all except a few males died in a plague?

Tomorrow, a sudden airborne plague comes around that kills nearly all human males - women are unaffected. The UN and different nations try their hardest but fail to find a cure. There are riots and ...
2
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4answers
140 views

Can a living human's DNA be modified for use as a living library?

I know that DNA can be used to encode information, using ACGT as a quaternary instead of binary encoding. Could a functional genetically-modified human walk around with a lot of information stored ...
10
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6answers
2k views

To what extent is it feasible for this race to be majority female?

In my world there is a race of humans who are disproportionately female. They are closely derived from and very similar to real-world humans, but are unable to interbreed with the other races as they ...
4
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3answers
264 views

Is there a reason that females passing on more than 1/2 of their genetics to the child would be unlikely to evolve?

On the earth today most animals use a two sex mating system where male and female provide the same amount of genetics to the resulting offspring, despite the fact that in many cases the female ...
6
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6answers
233 views

Crazy Alien Genetics

Think of a species (ONLY ONE SPECIES) the individuals all live in the same environment, share the same sentience level BUT are divided into "A", "B" and "C" races which have different number of limbs,...
2
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1answer
124 views

Venusian Adaptations

Recently I've been imagining living on a terraformed Venus in a distant future. I've a pretty good idea of how this can be done, having gone through many articles on how to terraform venus, so my ...
2
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3answers
194 views

Would you carry the exact same DNA if you were concieved at a different time?

In this world, time travel is possible, but the only thing that can be sent back in time are thoughts. From the perspective of your past self, you suddenly one moment realize that you have "memories ...
6
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5answers
382 views

Which cells to pick to get a pure sample of DNA without precise equipment?

Normally when conducting DNA testing, I presume techniques are utilized to ensure you're just testing one individual's DNA from a sample, even if it is possible that sample was contaminated one way or ...
5
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2answers
261 views

What happens when a person with some edited genetics (like say, eagle eyes) reproduces with a person with regular genetics?

If person A has had the genes dictating their sight/ the internal structure of their eyes, replaced by say, eagle eyes or cat eyes. What happens when they reproduce with person B who has regular ...
3
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1answer
131 views

How do I determine whether hybridization would be possible between various creatures? [closed]

I ask because the world I'm building has eight distinct races of humans on one planet, as well as various non-human animals that don't currently exist in the real world. I'd like for some forms of ...
8
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4answers
349 views

What is more plausible, viruses in a host brain or a viral colony becoming conscious?

In my story I have a strain of virus capable of stealing parts of or changing its hosts DNA, so it could copy the abilities in nature for its next host of choice by taking the genes which control the ...
2
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1answer
130 views

Could there possibly be any alternative biomolecules that could store genetic information like DNA and RNA? [closed]

I study quite a lot of chemistry, biology, and other branches of those fields, alongside some forms of astronomy. As part of a large-scale project I have been working on for a few years and continue ...
8
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4answers
450 views

Alien life interbreeding with Earth life [duplicate]

I had an idea for a planet which, millions of years ago, was accidentally contaminated with various animals, plants and microbes from Earth, and - via the planet's native aliens' bizarre reproductive ...
4
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1answer
227 views

How would their children look?

My story takes place in a medieval/fantasy setting. The main part plays out on a locked-off island with a fairly uniform population I'd call Asian to keep this question to the point (look Asian and ...
3
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5answers
298 views

Would having more than two sexes decrease the number of individuals required to have a sustainable population from a genetic perspective?

On a world made up of many small islands, each island cannot support a very large population. Although sometimes individuals from one island make it across the ocean to another, this is usually a ...
11
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5answers
490 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 its ancestry is based on matrilineal lines. Due to ...
6
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6answers
503 views

Is plausible to have subspecies with & without separate sexes?

I'm creating humanoid specie with two subspecies Hairy races - roughly based on humans, chiss, mirialans, with standard males & females sexes Tentacle races- roughly based on asari, twilek, ...
5
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7answers
539 views

How can I avoid the problems of incest without expanding the gene pool?

The demigods of this world are avatars of the one true God known as Dea and built in the image of humanity. They are independent and have their own opinions from each other, but are connected by a ...
5
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2answers
526 views

Can Apes (Including Humans) Be Naturally Patterned Like Felids?

For visual reference: Apes are visual species who rely more on their eyesight than any of the other senses. As a result, they see the world in three shades of color, whereas other mammals see in one ...
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12answers
7k views

How can an organ that provides biological immortality be unable to regenerate?

After Cain killed his brother Abel, he was cursed by God to wander the earth forever. On his travels, he met a sympathetic woman named Lilith. They discovered that they had a mutual beef with their ...
3
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3answers
212 views

Why would a “chosen one” come from outside a religion? [closed]

The crawling chaos, Nyalathothep, has formed a cult on the mortal plane devoted to his cause which worships him as a god. This cult has been operating in secret for thousands of years, sowing ...
5
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6answers
499 views

Would multiple fantasy races eventually become homogenous?

In a setting with multiple sapient fantasy races (ie, elves, orcs, humans, dwarves), assuming these races could interbreed and this activity became common, would they eventually reach a point of ...
7
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3answers
214 views

Genetic exchange between animal and plant, Elves love trees

This question has its origins in the word "dendraphile" used in a YouTube comment. It was used in an insult used by dwarves towards elves. My chain of thought then was that the dwarves would use ...
2
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1answer
239 views

Highest level of 1930's Technology possible [closed]

Backstory I have a character who goes back in time to plant an idea in the minds of government scientists during the 1930's. The idea is to analyze a DNA sample and recreate it for future use in the ...
10
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6answers
1k views

How would 10 generations of living underground change the human body?

In my country, we are split down the center by an intensely large mountain range. Us desert people live on the eastern half of the country, while on the other side of the mountain range the forest ...
6
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2answers
225 views

Can you replicate a being's DNA just from observing it?

In the movie Captain Marvel, the main antagonists (at least for half the movie), the shape-shifting Skrulls, can change their appearance to perfectly match any humanoid creature, down to DNA. ...
10
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5answers
602 views

Would a virus be able to change eye and hair colour?

The basic idea is that a small group of people, that were infected by the virus but managed to survive, has their hair colour changed to white and their eye colour changed to green. Said traits would ...
7
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4answers
1k views

How much genetic variation between a human and an alien would allow the human and alien to have, even infertile, offspring?

Background: Human Origins: We originated from a space-faring civilization. A breakaway faction that hates advanced space level tech traveled here and set up shop before destroying their advanced ...
3
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4answers
188 views

What would a bioengineered human-predator look like? [closed]

Read (and watched) 'After Earth', where humanity has fled a dying Earth to colonise a new world. Unfortunately, for whatever reason, some intelligent aliens decide to periodically send waves of ...
4
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1answer
168 views

Can a possible humanoid species capable of changing their sex in a crisis be the dominant species of an entire planet like us?

I had an idea of a concept a while ago. If a planet that for some reason or another had only one giant continent like Pangea, but bigger, for more distinct habitats and giant lakes assuring ...
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3answers
2k views

How can an evil spirit take control of a human body during REM sleep?

I have a friend who is a really nice guy. The problem is that he was born as a half demon. While he looks completely normal, he possesses a spirit inside him called "Amon". This being forces him to ...
5
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14answers
603 views

How can the remains of a god's corpse be kept off the black market and out of the hands of mortals?

A demigod is a mortal being infused with divine energy. This essence comes from a divine spark in their soul that activates due to some external traumatic event. This spark is very rare, and most ...
7
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3answers
275 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/...
5
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7answers
401 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 ...
1
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6answers
212 views

How can a terrorist cult genetically engineer human bombs?

A nihilistic organization founded by a preacher, Solf J. Kimblee, has reasoned that human beings have fallen short of God's true purpose. Since the betrayal by Adam and Eve, all people are born with ...
4
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6answers
248 views

How can a terrorist group link a biological plague to a specific genetic signature?

A domestic terrorist organization has come to light due to recent terror attacks that they claim responsibility for. This group has developed a biological weaponized plague that attacks the nervous ...
3
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2answers
583 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 ...