Question

what do you mean by human reproduction​

Answer 1

Answer:

Human reproduction is any form of sexual reproduction resulting in human fertilization. It typically involves sexual intercourse between a man and a woman. During sexual intercourse, the interaction between the male and female reproductive systems results in fertilization of the woman's ovum by the man's sperm. These are specialized reproductive cells called gametes, created in a process called meiosis. While normal cells contains 46 chromosomes, 23 pairs, gamete cells only contain 23 chromosomes, and it is when these two cells merge into one zygote cell that genetic recombination occurs and the new zygote contains 23 chromosomes from each parent, giving them 23 pairs. A typical 9-month gestation period is followed by childbirth. The fertilization of the ovum may be achieved by artificial insemination methods, which do not involve sexual intercourse. Assisted reproductive technology also exists.

Answer 2

Reproduction

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All living organisms live for a certain period of time. Some live longer than others. But at the end all the living organisms die. In order, for any species to continue , it must produce young ones of its kind.

The production of new individual from the parents of the same species is called “ Reproduction ”.

Reproduction is one of the important characteristics of the organism. Reproduction is one of the fundamental attributes of a living organism through which it is able to produce more of its kind. Through this process, new individuals are produced who grow and reproduce again.

Reproduction helps in many ways :-

◆ in the continuity of life.

◆ in increasing the population of any species.

◆ in the evolution of the most favourable variation over a period of time.

Reproduction in living organisms takes place by two general methods:-

=> Asexual Reproduction.

=> Sexual Reproduction.

♣ Asexual Reproduction is the method of reproduction in which a single organism is able to reproduce one or more of its own kind by itself.

Only single parent is involved in this type of reproduction.

The Amoeba, yeast, etc are reproduce by Asexual Reproduction.

♣ Sexual Reproduction is a type of reproduction in which two sexes, namely male & female are involved.

The male sexual unit in organism is known as male gamete or sperm, while the female sexual unit is termed as female gamete or ovum ( egg ).

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