Question

difference between sexual and asexual reproduction
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Answer 1

Answer:

Asexual reproduction spans a variety of methods. The simplest single-celled organisms such as archaea, and bacteria, reproduce by binary fission. In this process, the cells simply divide in half, creating a clone of the parent. This method also holds the benefit of being very quick and energy-efficient. For example, bacteria that reproduce by binary fission can give rise to progeny every few hours. Multiple fission also exists, in which an organism splits into more than one offsprings. Certain species of algae and protozoans exhibit multiple fission.

Sexual reproduction is the combination of reproductive cells from two individuals to form a third unique offspring. Sexual reproduction produces offspring with a different combination of genes .One must understand that sexual reproduction is a lot more complex than asexual reproduction. It includes the production of gametes, which have half the number of chromosomes compared to all other cells in the organism. They are produced by the process of meiosis, which produces haploid cells from diploid cells. There occurs crossing over and recombination of genes. Switching from chromosomes to chromosomes is a good way to ensure that the genes will remain active in a given population. Besides these, factors like gestation period also play an important role in sexual reproduction. The gestation period is the time required for the foetus to fully develop either internally (like in the mother’s womb) or externally (like an egg).

Answer 2

SEXUAL REPRODUCTION :

It is the process where two parents are needed one MALE and other FEMALE.

                                              OR

There is a need of two types of sex cells or gametes i.e. SPERM and OVA (also called as egg).

FOR EXAMPLE:

Reproduction in humans, other animals and plants as well (plants do both sexual and asexual reproduction.)

ASEXUAL REPRODUCTION :

In this type of reproduction only single parent is necessary.

                                              OR  

There is no need of sex cells or gametes.

FOR EXAMPLE:

Reproduction in amoeba, yeast, paramecium, hydra, plants (plants do both sexual and asexual reproduction.)

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