Questions tagged [gender]

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1answer
42 views

Are there animal species where some females have greater amounts of “masculine” qualities than average males?

In the human species, some women ( a meaningful, though not large percentage) are taller and stronger than the average man. Is a similar thing true in the animal kingdom? Are there some meaningful ...
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1answer
34 views

Is there a maximum testosterone limit, or is it more accurate to say use?

I am constantly amazed at how we cannot differentiate between male and female. The International Olympic committee sets the target testosterone at 5 nmol per deciliter with active androgen receptors. ...
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0answers
27 views

Human children with sex abnormalities due to food packaging and river pollutants?

Some news sites are highly vocal about transgender news articles, and also sometimes report hormonal issues due to pollution, like sex-changes in fish and low sperm counts in men. Is there any ...
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1answer
28 views

Is there a scientific explanation for male and female fragrance preferences?

The following is only anecdotal evidence, but in my experience it's very consistent. When products have added fragrance (cosmetics, soap, air freshner, candles, etc), women often seem to enjoy the ...
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1answer
146 views

After SRS, does the tissue that was previously the penis develop into actual, differentiated vaginal tissue?

I keep being told othereise, that the redulting "neo-vagina" isn't 'proper' vagina. This site is the only one that gave me a definitive explanation but I would like too see if there are more.
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1answer
53 views

How do animals learns seductional behaviour?

I was curious how the gender behaviour, the male role or female role, is known in mammals. Do mammals instinctively know how to do seduce the opposed sex or do the animals learn it from their parents/...
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1answer
84 views

are more males born than females?

I believe that given what I have heard about war and that up until whenever only men fought in wars then to replace the amount dead so that it would be equal on earth then more male births would occur ...
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1answer
84 views

What is the adaptive significance of temperature dependent sex determination?

Why do some reptiles have TDSD ? Is it because one of the genders is healthier than the other that only they, can survive high temperatures?
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1answer
15k views

How many genders are there? [closed]

These days it is often contested how many genders is there. So my question is how many genders is there and is it unnatural for evolution to generate multiple genders.
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1answer
40 views

Is there any possibility that gender is determined by Temperature? [duplicate]

One day I was watching TV show. It was based on Fire Dragon. They stated that if the dragon provide greater warmth to the egg, then a male Dragon will hatch. And if the Dragon provide less warmth to ...
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1answer
110 views

What percentage of twins has the same gender

If 30% of all twins are identical twins, what percentage of twins has the same gender? I thought: all identical twins have the same gender so it’s at least 30%. And of the non-identical twins it’s ...
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3answers
150 views

What processes regulate the sex of offspring?

It is known that some species are more likely to born male than female (and some maybe vice versa). I understand that it is due to evolutionary perspective (average number of adult males is close to ...
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1answer
102 views

To what extent do gonads affect differences in gendered behaviour?

I'm not sure whether this question makes sense, but someone said that they result in gender differentiation on an organisational level in the brain. I'm wondering how important these changes are, in ...
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1answer
66 views

Is it possible to Breed an Animal to have more Females than Males?

Minute Earth talked about environmental factors that cause animals and humans to have more male or female children: https://www.youtube.com/watch?v=3IaYhG11ckA Presuming that is accurate, I was ...
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2answers
18k views

How is trangender female different from normal female biologically?

I have read in many places that transgender people are usually people who are born with typical male or female anatomies but feel as though they've been born into the “wrong bodies.” The thing that I ...
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2answers
539 views

Do males ever produce the offspring?

Are there any non-asexual species in which the male of the species produces the offspring? If so, why are they considered male and not female?
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2answers
3k views

Is there an evolutionary basis for why women mature faster than men?

Females develop both physically and mentally earlier than males do. For example; females start puberty at an earlier age than males, and females brains mature more quickly than male brains. Girls ...
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1answer
218 views

Sexing fish from a tissue sample

I am a member of a local fish club, we have a lot of different aquarium fish and would like to trade them amongst us. We all have a few fish that don't form pairs and would like to see if they pair up ...
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1answer
764 views

Could a trans-female person ever become pregnant?

I was told that a transgender person, which I will define as anyone assigned male or female at birth that identifies opposite to that assignment, could never become pregnant conceptually, due to the ...
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0answers
74 views

Why can't men produce milk, just like women? [duplicate]

This might seem a bit weird, but why can only women produce milk? Wouldn't it be more beneficial to our species if all humans could produce it? I can't think of any reason only one gender would need ...
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2answers
1k views

Are gametes determined by the sex of an organism?

In the Wikipedia article for biological sex, I read the following sentence. "The gametes produced by an organism are determined by its sex:..." However, is it not through the gametes produced by ...
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0answers
179 views

With humans, is being transgender innate, or caused by social factors?

In humans, is being transgender something that is innate, or is it caused (or made more likely) by social factors such as their political beliefs, their religious views or their social environment?
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1answer
11k views

Are transgender people born physically different from others?

Are all children born with only either male or female body parts (other than exceptions), or is there actually a natural third gender with the physical characteristics of both genders, e.g. the child ...