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Posted

> I always had questions that I wanted to know the answer, but most of them are still mystery to me or I disagreed with offered answers. The questions like:

 

1. Why Asians aren't born with curly hair or black people with straight hair,

2. Why the children from mixed race family like white+Asian, white+black are never completely white, but they are always more Asian and more black than being white,

3. How scientists knows which animals distinguish colors and which animals don't,

4. Why humans loves to have sex with animals and reverse,

5. Why people and animals are scared of black color, and so on, and so on, always intrigued me.

 

If you have question(s) like this, please, post them here. Maybe someone would have answer on them.

Posted
6 minutes ago, EvalovesEP said:

1. Why Asians aren't born with curly hair or black people with straight hair,

2. Why the children from mixed race family like white+Asian, white+black are never completely white, but they are always more Asian and more black than being white,

Well these two questions are completely about genetics, and I guess I have a right to answer them.. 
All basic external (and not only) parameters are encoded by one gene or another. Different genes differ in the strength of their manifestation, stronger genes are called "dominant", while weaker genes are called "recessive".


punnett-square-traits-diagram.png.f63ea0d7c7620c229ae0baf6ade3e91c.png
 


First of all, "dominant" genes show their properties in a living being. But a recessive "gene" can be inherited in the lineage and appear in the offspring.

To keep things simple, we'll look at a combination of two genes. The "dominant" one - brown hair, and the "recessive" one - blond hair.
I propose to consider an example where the classic married couple both have brown hair, but the ancestors had blondines (a combination of a recessive gene r * and a dominant R *)


0_QDnITjJ1nTPge5yt.jpg.29f9738ce3773a4048828ec86dcf90f2.jpg

 

In this case, in a sample of 4 of their offspring (for simplicity of counting, 25%), offspring 1 will have brown hair, combinations of two dominant genes (his / her children in the first generation will not be able to have blonde hair).
Descendants 2 and 3 will have brown hair with the same genetic set as their parents.
And descendant 4 will have blonde hair.
And as I said above, that's the genetics, and it's way more complicated than I represented right now. 

If you want to know more details or you have questions that I could not answer, I can advise you on specific literature on the topic.

 1826532643_DocCrw.png.90b026bb34e20a4bad602e4a908497cf.png  peace ^_^

Posted

Why are toenails still a thing?

What's hiding in the deepest parts of the oceans?

Also, what's lurking in the forests and other places? Do cryptids really exist or is it just overactive imaginations and/or fear of the unknown?

Why are tacos so amazing?

Maybe it's just me but it's kind of confusing why hair and eye colors are limited to what they are. I looked into it but eh. 4 am thoughts.

Posted
5 minutes ago, Crw said:

Well these two questions are completely about genetics, and I guess I have a right to answer them.. 
All basic external (and not only) parameters are encoded by one gene or another. Different genes differ in the strength of their manifestation, stronger genes are called "dominant", while weaker genes are called "recessive".


punnett-square-traits-diagram.png.f63ea0d7c7620c229ae0baf6ade3e91c.png
 


First of all, "dominant" genes show their properties in a living being. But a recessive "gene" can be inherited in the lineage and appear in the offspring.

To keep things simple, we'll look at a combination of two genes. The "dominant" one - brown hair, and the "recessive" one - blond hair.
I propose to consider an example where the classic married couple both have brown hair, but the ancestors had blondines (a combination of a recessive gene r * and a dominant R *)


0_QDnITjJ1nTPge5yt.jpg.29f9738ce3773a4048828ec86dcf90f2.jpg

 

In this case, in a sample of 4 of their offspring (for simplicity of counting, 25%), offspring 1 will have brown hair, combinations of two dominant genes (his / her children in the first generation will not be able to have blonde hair).
Descendants 2 and 3 will have brown hair with the same genetic set as their parents.
And descendant 4 will have blonde hair.
And as I said above, that's the genetics, and it's way more complicated than I represented right now. 

If you want to know more details or you have questions that I could not answer, I can advise you on specific literature on the topic.

 1826532643_DocCrw.png.90b026bb34e20a4bad602e4a908497cf.png  peace ^_^

 

> Thank you very much crw, I should mention in my first post that I found the answer on some questions that I had, but thank you for answering to those who didn't know.

Posted

> Are love only and hate an emotions or they are more than that? Why do they go to the extremes more then any other emotions?

Posted

> Is someone born as gay or he/she choose to be a gay?

Posted

> While animals speak only one language among their own kind and humans have estimated (6.500) languages?

Posted
21 minutes ago, EvalovesEP said:

> While animals speak only one language among their own kind and humans have estimated (6.500) languages?

 

Most animals don't actually use something as complex as a language. They communicate with inborn expressions. (mainly thinking about cats and dogs here) Humans have those, too. For example if I wrinkle my nose you know I'm disgusted. That is something you did not have to learn as it is universal amongst all humans there are. Even tribes that haven't been in contact with the rest of the world for millenia feature the exact same facial expressions for emotions.

Language on the other hand is something that all of us had to learn and that simply is too complex to create for the cognitive ability of animals. Some of them are able to learn it, though. For example a gorilla learning sign language.

Posted
3 minutes ago, VersuchDrei said:

complex as a language. They

Wrong

Example, birds have a word for dangerous enemies. This differs like attack from air, ground etc.

If one bird sounds the alarm all are going to hide except some very young ones.

They need to learn the meaning.

I have a foto series, where a swallow is presenting a bee to a youngster.

The youngster expected food, but the old dropped it to show "this is no food"

They need to learn the more sophistcated stuff.

 

Posted
44 minutes ago, EvalovesEP said:

> Is someone born as gay or he/she choose to be a gay?

:classic_laugh: That's bound to start religious wars.

If you skip that part, it's your predisposition from birth on. And if I remember that correct we have the similar statistics in the (mammal) animal world, too.

 

Mind you, that I said PREdisposition, because most(a.k.a. ALL) societies on this planet are NOT open minded and allow the individual child to develop itself as it pleases.

That means, that we can take it for granted that the statical number of gay people even in so called open-minded societies would be higher as it can be measured, due to the inherent suppresion by the heterosexual majority.

 

An example: we have a quite typical situation where adult people live a live against their sexual preference because they were educated against it.

It comes across that this adult DECIDED to be gay, where in fact

  • she/he had a) discovered it in herself/himself at all,
  • and b) has decided to tell others about it.
Posted
33 minutes ago, EvalovesEP said:

While animals speak only one language among

We can see a phenomenon in Europe were some bird species are so rare that the young male birds simply do not learn their own songs from older male birds but copy songs from other bird species.

Resulting in a problem, where the female birds do not recognize them anymore as suitable breeding partners. It's a death spiral for them.

Posted
1 minute ago, worik said:

:classic_laugh: That's bound to start religious wars.

If you skip that part, it's your predisposition from birth on. And if I remember that correct we have the similar statistics in the (mammal) animal world, too.

 

Mind you, that I said PREdisposition, because most(a.k.a. ALL) societies on this planet are NOT open minded and allow the individual child to develop itself as it pleases.

That means, that we can take it for granted that the statical number of gay people even in so called open-minded societies would be higher as it can be measured, due to the inherent suppresion by the heterosexual majority.

 

An example: we have a quite typical situation where adult people live a live against their sexual preference because they were educated against it.

It comes across that this adult DECIDED to be gay, where in fact

  • she/he had a) discovered it in herself/himself at all,
  • and b) has decided to tell others about it.

 

> You see, in my "How I met my Prince" diary I said in introduction that I knew I was bisexual. Actually, it was wrong expression because English isn't my mother language. I "felt" I was bisexual and after excellent sex with her I realized that I AM bisexual. So, I believed "bisexuality" was always within me waiting to be "awaken". I didn't inherited it from my parents who are 100% straight. Same worth for my Ivy.  Did one of my chromosomes went "crazy" or got broken is the subject for discussion. So, in essence, I agree with your theory of predisposition. :)

Posted
3 minutes ago, worik said:

We can see a phenomenon in Europe were some bird species are so rare that the young male birds simply do not learn their own songs from older male birds but copy songs from other bird species.

Resulting in a problem, where the female birds do not recognize them anymore as suitable breeding partners. It's a death spiral for them.

 

> OK, I learned something about birds, but how is that lions never learned birds' language and opposite. Elephants never learned monkey's language and so on and so on. Different spices can probably imitate sound from other animal spices, but never learn it. Parrots, IMITATE human languages, but they don't understand it just like humasimitate barking and meows but they don't understand it. :)

Posted
16 minutes ago, EvalovesEP said:

humasimitate barking and meows but they don't understand it.

I think there is one famous youtube dog, that can be shown as proof that it communicates with humans in some sort of language.

 

I will add a link here, when I can find it again (have to ask my other worik about it, but it is in a meeting right now)

 

Edit: I just learned that there are many more than just one dog that can do this. One is called "Stella", one is called "Bunny". You might want to search for "talking dog"

Posted
10 minutes ago, worik said:

I think there is one famous youtube dog, that can be shown as proof that it communicates with humans in some sort of language.

 

I will add a link here, when I can find it again (have to ask my other worik about it, but it is in a meeting right now)

 

> OK, it might be one exception but still, I strongly believe that animals must understand other species' language in order to talk it. There are natural sound in the nature that cause similar reaction among many species and that is rather phenomena then something they share. Would you say that gorilla will understand the whales' language and opposite?

Posted
1 hour ago, EvalovesEP said:

3. How scientists knows which animals distinguish colors and which animals don't,

"Human eyes have three types of cones that can identify combinations of red, blue, and green. Dogs possess only two types of cones and can only discern blue and yellow - this limited color perception is called dichromatic vision."

https://vcahospitals.com/know-your-pet/do-dogs-see-color

Or in other words: Cut open their eyes and see what's inside. (on a deceased specimen, of course.... or hopefully, you know science sometimes crosses some lines)

 

51 minutes ago, EvalovesEP said:

> Is someone born as gay or he/she choose to be a gay?

I think this one is poorly formulated. It's not a choice as in "I've made three bad experiences with women, I'm gonna be gay now". We as of today did not fully understand the human brain, so we don't know what makes someone gay. But there are a lot of studies on the field and you probably will find contradictory results if you just dig long enough, because you can always make a study say what you want it to say. I'm just gonna go with this quote on this:
"It’s not completely known why someone might be lesbian, gay, straight, or bisexual. But research shows that sexual orientation is likely caused partly by biological factors that start before birth."

https://www.plannedparenthood.org/learn/sexual-orientation/sexual-orientation/what-causes-sexual-orientation

On the other hand there are studies that show that children tend to be more aggressive if their mother ate a lot of fast food during her pregnancy, because that hinders the development of the brain. So just because you are born this way doesn't mean it's in your genes. And who knows what other factors affect the development of the brain.

 

Interestingly though, on the other hand it is known that sexual behaviors tend to run in the family. In other words: Kinks are hereditary. "Mom, dad, you're into some nasty stuff."

Posted
1 hour ago, EmmaJ35 said:

Maybe it's just me but it's kind of confusing why hair and eye colors are limited to what they are. I looked into it but eh. 4 am thoughts.


I can answer this one! Melanin. It's what colours your skin, hair, and eyes. As far as I know, it's primarily a brown pigment. More of it and you'll have dark browns and blacks in hair and eyes. Less and you get blonde hair, blue and hazel eyes. Red heads have a special gene that is an expression of Neanderthal genes I believe. Eyes run a wider gamut of colours because they aren't actually the colour you see. As light refracts through the eye it'll appear blue with a lack of melanin. Hazel, gold, brown, and almost black eyes have varying degrees of melanin. That's why some people with lightly coloured eyes make the claim that they change colour. It's just different environmental lighting striking what is essentially a prism. 

Posted
16 minutes ago, EvalovesEP said:

 

> OK, it might be one exception but still, I strongly believe that animals must understand other species' language in order to talk it. There are natural sound in the nature that cause similar reaction among many species and that is rather phenomena then something they share. Would you say that gorilla will understand the whales' language and opposite?

 

I think this is a difficult subject but, my two cents would be that a gorilla might understand a whale's emotional state. Possibly. Terrestrial and marine animals are very different. While we might not speak the same language as someone from another country, we definitely can find meaning in the way they gesture and intonate. You might describe this as a common language. We too speak with animals in a common language; many people could tell you what an animal wants or feels after spending time learning what expressions and sounds mean. 

 

PS. To add to the previous question on why other animals haven't learned to 'speak' the same as another animal: I definitely think they know what is necessary. There's all sorts of warning calls, howls declaring territory, scent markings, and movements that communicate to others what an animal's intentions are. I spend a decent amount of time with Canadian Geese; they hiss and squawk to tell me how they are feeling about me being there. Cats and Dogs make specific sounds to only humans as well. In this way you could almost say they are speaking in a trade language with us. Or maybe with a really bad accent ahahaha  

Posted

> Friendship is a relationship of mutual affection between people according to Oxford dictionary. If it is human relationship, why people call certain animals best friends?

Posted
2 minutes ago, jfraser said:

As for fear of the color black, that stems from an innate fear of the dark. 

 

You'd think as a creature that only spec'd eyesight for senses we'd at least have those GOOD EYES. But, having a sense that works 50-ish percent of the time is alright, I guess.

Posted
21 minutes ago, EvalovesEP said:

> Friendship is a relationship of mutual affection between people according to Oxford dictionary. If it is human relationship, why people call certain animals best friends?

Because these people define the word friendship differently than the Oxford dictionary. There is no objectively correct meaning of a word, just a consensus of a lot of people.

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