17 votes

Do males ever produce the offspring?

Yes the males of a group of bony fish Syngnathidae can bear offsprings or as you say produce offsprings. This group includes Seahorses and Pipefishes. In some species the male have either a brood ...
Tyto alba's user avatar
  • 8,782
7 votes

Does children have a gender?

A grand majority of all mammals have 2 sexes (with notable but rare exceptions with very particular considerations): male and female. Humans are mammals and the same applies to humans. Sex is ...
S Pr's user avatar
  • 6,222
6 votes

How many genders are there?

Sex vs Gender Sex is defined by the anatomy of an individual. The majority of people can safely be categorized as either male or female. There are exceptions and limit-cases of course such as ...
Remi.b's user avatar
  • 68.1k
6 votes
Accepted

How is trangender female different from normal female biologically?

Remi gives a good introduction to the various terms and definitions you should know when learning about gender identity. However, he didn't really address your basic question: What is biological ...
MattDMo's user avatar
  • 15.3k
5 votes

How is trangender female different from normal female biologically?

Let's first consider the difference between the concepts of sex and gender. The distinction between sex and gender differentiates sex (the anatomy of an individual's reproductive system, and ...
Remi.b's user avatar
  • 68.1k
5 votes

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

It's true that the microbiome and microscopic structure of the neovagina are not the same as those of a natal vagina, although explicating this outside of circumstances relating to post-surgical ...
Bruce Kirkpatrick's user avatar
3 votes

Is there any possibility that gender is determined by Temperature?

It is definitely more than science fiction. Many species have sex determination that depend upon the temperature. As a rule of thumb, when it comes to sex, not much has been invented in fictions. The ...
Remi.b's user avatar
  • 68.1k
3 votes

Are there animal species where some females have greater amounts of male-associated qualities than average males?

Spotted hyenas are a matriarchal society and female hyenas are larger than males. Also, female hyenas dominate males.
mk2025's user avatar
  • 39
3 votes

are more males born than females?

Are more males born than females in humans? According to the CIA (the only reference I could find; see here click on "people and society" and look for "sex ratio"), the world wide ...
Remi.b's user avatar
  • 68.1k
2 votes

How much of life expectancy gender gap is caused by social vs biological factors?

I like your question, and it got me looking for some answers to similar questions I've been thinking about too. I don't have the full answer; the exact disparity between specific hormones and the ...
Louie's user avatar
  • 46
2 votes
Accepted

Question about manifestation of an X linked disease (homework help)

If the disorder was an autosomal recessive disorder (and follows the Mendelian dominant/recessive pattern), then your reasoning is correct. Both men and women would either have the disease or not have ...
Zo-Bro-23's user avatar
  • 581
2 votes
Accepted

are there examples of research harmed by the binary vs. non binary genders discussions?

I think that you will find that the opposite is the case more often. First of all, a premise that XX vs. XY has some kind of fundamental truth (which really is a premise of this question) is simply ...
Maximilian Press's user avatar
2 votes

Do males ever produce the offspring?

Parental care by the male parent is off course relatively common, especially in birds and mammals. Cases were the male actually does most of the 'breeding' are relatively rare. I think @Sanjuktaghosh ...
RHA's user avatar
  • 3,685
1 vote

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

Whatever is the exact definition of the threshold that the Olympic committee sets, it's going to be relatively arbitrary and unfair to some people. When it comes down to it, biology is generally ...
jakebeal's user avatar
  • 6,977
1 vote

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

The idea that males and females react differentially to various smells in the context of “hard science” alludes to the concept of sexual dimorphism in olfactory signaling, which has been investigated: ...
Bruce Kirkpatrick's user avatar
1 vote

How do animals learns seductional behaviour?

Some behavior can be traced to the genome. In Drosophila there are many interesting studies that show how genes and courtship behavior are related Example. In mammals, the environmental component in ...
heracho's user avatar
  • 737
1 vote

What is the adaptive significance of temperature dependent sex determination?

To my knowledge, it is still mainly unclear what are the enviromental factors that would promote Environmental Sex Determination (ESD; incl. TSD) vs Genetic Sex Determination (GSD; incl. with and ...
Remi.b's user avatar
  • 68.1k
1 vote

What percentage of twins has the same gender

You stated: 30% of twins are identical 50% of non-identical twins have the same gender Therefore 70% of twins are non-identical and 50% of those will have the same gender. I'll leave the rest of the ...
canadianer's user avatar
  • 17.7k
1 vote

To what extent do gonads affect differences in gendered behaviour?

Yes During embryonic life,there is formation of new synapses by a process termed as exuberant synaptogenesis. Their differential formation in the males and females could be due to the effect produced ...
user 33690's user avatar
  • 1,955
1 vote
Accepted

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

Yes. What you are looking for is a meiotic drive, it's a genetic factor that favors its own transmission. Sex linkage is very common in these due to sex chromosomes not undergoing recombination. Once ...
John's user avatar
  • 14.7k
1 vote

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

You may think about the reproductive success of a family, which depends on the reproductive success of sons and daughters. The reproductive success of the sons is theoretically unlimited, provided ...
Rodrigo's user avatar
  • 1,300
1 vote

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

Reproduction is kind of the definition of biological success. Logically, it works because it works because it works. Provided that the mother is responsible and healthy, there's a good chance the ...
Ben Welborn's user avatar
1 vote

Sexing fish from a tissue sample

As already pointed out by Remi, you can identify the sex from a tissue sample only if there is a genetic (such as chromosomal) sex determination system (by using techniques such as PCR or in-situ ...
WYSIWYG's user avatar
  • 35.6k

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