Serious question. Who came first? Man or Woman?

Question

Please don't quote chicken and egg. Please don't explain how some animals are both male and female, All that is elementary bioligy. The question is, What happened to make the first gene split into the different sexes? The man/woman question is irrrelevant. Is it possible that M/W developed from differant species?

Answer 1

Perhaps someone should have the the courtesy of actually answering your question.

You are asking (as you say) a serious question about the *development* of the genetic difference between the two sexes. So just answering "Adam and Eve" or "man" doesn't answer that question.

Even though you don't use the word "evolution", and instead use "developed", if your question is NOT about evolution, then the question doesn't make must sense.

You asked:
>"The question is, What happened to make the first gene split into the different sexes?"

Two important points:

First, this gene split didn't happen in humans (to make man/woman). It had already happened *LONG* before, in an earlier species. It's not just that "some animals are both male and female" ... but almost ALL of them. So clearly, sexual reproduction with dedicated sexes happened pretty early in the development of animals. (And no, man/woman could not have developed from separate species ... by *definition* separate species cannot interbreed. So there is no way for two species to develop in the the male and female of the same species.)

Second, this gene split into male and female probably happened slowly, in *many* stages. There is no reason there had to be a sudden leap from asexual reproduction, to the kind of sexual reproduction with dedicated sexes.

To understand this second part, keep in mind that sexual reproduction doesn't have to have separate males and females. For example, in most flowering plants all individuals are both male and female.

So what appears to have happened is that the following developments happened. Each development brought some advantage. And we can see many organisms alive *today* that represent different stages of this development ... just because some branches moved on to later stages of development, doesn't mean all of them must:

The main developments:

1. Genetic exchange. This is something even bacteria do during 'bacterial conjugation'. This is not true sexual reproduction, because only pieces of DNA are exchanged, not all of it. The advantage is that the bacteria can benefit from each other's mutations.

2. Diploidy. This is where some single-celled organism got interrupted in its division, after the division of its DNA, resulting in a double-copy of its own DNA. (In technical terms, it went from haploid to diploid. If you don't know the difference between 'haploid' and 'diploid', then you'll need to review your Biology textbook.) The advantage is that the organism can repair its own DNA. Many single-celled organisms, (like amoebas) are diploid or have a diploid stage ... so that's evidence that diploidy happened very early in evolution.

3. Fission and fusion. This is where a diploid cell can split into two haploid cells (fission), and two haploid cells can fuse together into a single diploid cell (fusion). Again, amoebas can do this ... again evidence that this occurred very early.

4. True sexual reproduction. This is where the haploid cells from two *different individuals* fuse together into a new diploid cell. The advantage is that the new daughter cell has different genes than *either* parent ... so the organism can evolve faster in response to some threat (like a disease or toxin). Before sexual reproduction, evolution was dependent entirely on mutation.

At this point it's important to note that the same species can use *both* asexual and sexual reproduction. This happens both in single-celled organisms like amoebas, to some plants, and even some animals (such as aphids).

5. Exclusive sexual reproduction. This is where a species uses sexual reproduction as its *primary* or *only* means of reproduction.

6. Differentiation of gametes. This is where some gametes (called pollen in plants or sperm in animals) are small and designed to travel. And other gametes (called ova, or seed or egg cells) are larger and have a built-in food supply.

7. Differentiation of sexes. This is where an individual is either male or female. However, there are *many* different ways this is determined ... e.g. in some insects it is determined by what the individual is fed as a larva, or males are haploid and females are diploid, or in other vertebrates males and females are determined by temperature during incubation of the egg.

8. The Y chromosome. This is where males and females are determined genetically by whether it has an X or Y chromosome. This is the system used by most mammals, including man.

This is a *really* basic overview. There are of course a lot more details (remember this represents about 3.5 *billion* years!)

But the point is that it's not as simple as an organism suddenly becoming male and female one day.

I hope that answered your question. It took me some time to write.

Answer 2

Even in asexual reproduction, the DNA molecules in the genes have to unravel and then their two helices have to unwind from each other so that they can each build a new second helix (made from amino acids) on to themselves to make two new DNA molecules before the cell splits to form two new cells. It's all so improbable and makes the idea of the first living cell being created by accident almost completely incredible.
Once nature DID achieve this accident, however, life could start burgeoning immediately. Every so often a mutation, created through gene damage, would act as a living experiment and if it happened to improve the organism's chances of reproducing, that mutation would dominate the population after a few generations. So life started evolving as soon as it first occurred.

In sexual reproduction only one more complex idea is added - that of the genes subdividing into different sections of the DNA molecule and then rejoining so as to merge the DNA of both parents at different points on the same gene. The first instance of this could have been caused by a lucky random mutation. Random characteristics from both parents are thus unpredictably woven into the genetic make-up of the offspring.
Again, one wonders how this could have happened by accident. But again, once nature DID manage this trick, the ability of this lucky organism to adapt in subtle ways was enhanced many many times at a stroke, giving a huge advantage to this species.

Answer 3

first man I&first woman you than sexual interest between came a baby. this is best frist came I&u=baby.

Answer 4

Easy! Women have MEN in their title. So my final answer is Man. Man was created first and that was the best creation. Women were a afterthought. A partner to men. That s why they have to carry the babies and are much shorter and weaker than men (In most cases!). Don t buy into that Feminists nonsense. Feminists hate men and are jealous that men have more power and created this entire world (Language, countries, cars, houses, roads, bike s, airplanes, money and most things you can think of).

Answer 5

According to science, women came first. Any other reasoning is incorrect. Language is not science, therefore interpreting the word woman as an addition to the word man is not scientifically valid. Terribly translated ancient religious texts are not science.

Answer 6

female did and adam and eve WHERE NOT the first humans the happen 6,000 years ago woman and man in human have around for about 50,000 years and matriarchy came first it last almost 40,000 of thoese years and its coming back

Answer 7

Once God created Adam (the first man), He extracted a rib from him to form Eve (the first woman). In other words, man came first.

Answer 8

It's Phd stuff this one - not religious

A hypothesis could be that as survival of the species is dependent on procreation, the need to have a male and female becomes necessary.

Answer 9

The natural state is female. The development of a second sex was an evolutionery process which allowed for more diversity within species, not to mention making reproduction more fun!

Answer 10

Men,because Adam was here first.God used his rib to make Eve.