It is through this process that we inherit traits from either one of our parents.
Although we get their traits, we are not identical to them. Essentially, sexual reproduction produces a variety of offspring. Humans are not the only ones who can output offspring through this method: Basically, through sexual reproduction, new gene combinations are introduced into the population through genetic recombination.
Although we are brought into this world through this process, there are questions thrown out there regarding the need for sex. As that question is pondered on, it leads us back to the evolution of sexual reproduction.
That is the question. Why should we dedicate part of our lives in search for a mate? This is the case for both humans and all the other creatures in the animal world.
To reproduce sexually, males and females need to find a mate. In the animal kingdom, the female generally makes the choice and all the males need to do is compete in order to be chosen. In other words, so much effort is put into being able to reproduce. In fact, some animals fight to the death just for the right to be the chosen mate.
We have to compete with several other humans in every part of the world for the chance of securing a partner with whom we might be able to produce an offspring. So the point about competition still sticks. Compare this to those who reproduce asexually. Through asexual reproduction, offspring that is exactly identical to their parents are produced. Not only that, it only takes a single parent to produce such an offspring. Also, with asexual reproduction, twice as many offspring can be reproduced.
So in order to adapt to an ever-changing world, populations need to change their genetic makeup and Disadvantages of sexual reproduction in plants over asexual reproduction means changing their genes.
With asexual reproduction, the offspring are basically carbon copies whereas sexual reproduction involves two parents with the offspring taking traits from each.
What this simply means is that the chances of survival is higher in offspring created through sexual reproduction as they are different from those that came before them.
So if asexual reproduction is an evolutionary dead end, why are there still two sides to the need for sexual reproduction? It helps natural Disadvantages of sexual reproduction in plants over asexual reproduction remove harmful mutations from the population In a study called Sex: Research on Pros, Cons of Sexual Reproduction Explained which was highlighted in Science Daily inresearchers examined one of the benefits of sex: MDH postulates that sexual reproduction bestows an advantage by helping natural selection remove harmful mutations from the population.
The second is that these harmful mutations must interact in a special way, called negative epistasis, such that adding more and more harmful mutations makes your progressively worse off. Offspring are much different than parents In species that produce asexually, offspring are the exact replica of their parents.
Essentially, they just spread and multiply. But sexual reproduction is so much more different given that two beings are needed to form one offspring. The offspring resulting from a union through sexual reproduction bears traits from each parents.
It does make them similar, just not quite.
In humans, a child may inherit his height from the father but the second child may not be too tall. In other words, the offspring produced differs all the time.
As mentioned earlier, this may help in terms of evolutionary changes.