difference between Asexual and sexual reproduction in both plants and animals
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asexual reproduction is a type of reproduction in which only one parent is involved for production of a young one .... In plants some lower kinds have only one parent involved in reproduction....for example it is seen in potato in form of tuber ... also in bryophyllum leaves...etc. in animals also asexual is the same .... 4 example in some fish & sexual reproduction includes gametes...one male gamete & one female gamete .... they both unite / fuse to form zygote...it is the 1st cell from where life begains...
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Sexual And Asexual Reproduction In Plants And Animals
Organisms, which include humans, animals, and plants reproduce as a law of nature, a means of ensuring the survival of the species and in the context of evolution. There are two major classifications of reproduction, sexual and asexual reproductions. Each has its own advantages and disadvantages and each is appropriate for different species. Vertebrates, such as humans, are almost exclusively sexual in their reproduction. Many simpler animals are asexual. It is important to understand how these processes differ.
Asexual reproduction
Asexual reproduction spans a variety of methods. The simplest single-celled or unicellular organisms including archaea, amoeba, bacteria, reproduce by binary fission. In the process, the cells simply divide in half creating a clone of the parent and hold the benefit of usually 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 they split into more than one offspring. Organisms such as Cryptosporidium parvum, sporozoan, etc may utilize multiple fission.
While in multicellular organisms, a similar method is named fragmentation in which small pieces break off and grow into new organisms. Another method involves budding, which produces a completely new adult by remaining attached to the original body or develops from the original body. A common thread in all this is that the offspring is a direct clone of the parent. The purpose of reproduction as we’re well aware is to propagate one’s own genes. Evolutionarily, asexual reproduction is a good bet for the species. It is quick, simple and the genes of the parent will not be diluted by those of another individual. Also, an organism that reproduces asexually can reproduce about twice as fast as one that reproduces sexually.
Sexual reproduction
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.
align=”justify”One must understand that the sexual reproduction is a lot more complex than asexual reproduction. It includes the production of gametes, which have half the number of chromosomes of all other cells in the organism and the process of meiosis, which produceshaploid cells from diploid cells which could lead to the possibility of two copies of a single chromosome crossing over to create a completely new chromosome that contains a new combination of genes. You see, switching from chromosome to chromosome is a good way to ensure that the genes will keep active in a given population. Besides these, factors like gestation period also play an important role in sexual reproduction. Gestation period is the timeframe it requires for the fetus to fully develop either internally (like the mother’s womb) or externally (like an egg).
Difference between the sexual and asexual reproduction.
Let us check out some significant difference between the sexual and Asexual reproduction.
Asexual Reproduction
Sexual Reproduction
Occurs in lower invertebrates, lower chordates, and prokaryotic microorganisms and in some eukaryotic single-celled and multi-celled organisms.
Occurs almost in all types of multicellular organisms including humans, animals and mostly in higher plants.
It is uniparental.
It is usually bi-parental.
Gametes are not formed.
Gametes are formed.
Somatic cells of parents are involved.
Germ cells of parents are involved.
No fertilization occurs.
Fertilization takes place.
The absence of reproductive organs.
Presence of fully developed reproductive organs.
Only mitosis type of cell division occurs.
Both meiosis and mitosis type of cell division occurs.
Original parent disappears after the process of reproduction.
Original parents remain alive after the process of reproduction.
The progeny and the parent will be genetically identical.
The progenies will be genetically different from the parents.
Characteristics of only one parent are inherited.
Characteristics of both parents are inherited.
The genes and genetic material are just multiplied and passed on to new organisms from the parent.
The genetic material undergoes intermixing from both parents to form a new set of genetic material.
Multiplication is very rapid and in lesser time.
Multiplication is not so rapid and takes the longest time to complete.
The number of offspring produced may vary from two to many.
The number of offspring produced are comparatively lower.
No evolutionary significance.
Has evolutionary significance in the population.
Organisms, which include humans, animals, and plants reproduce as a law of nature, a means of ensuring the survival of the species and in the context of evolution. There are two major classifications of reproduction, sexual and asexual reproductions. Each has its own advantages and disadvantages and each is appropriate for different species. Vertebrates, such as humans, are almost exclusively sexual in their reproduction. Many simpler animals are asexual. It is important to understand how these processes differ.
Asexual reproduction
Asexual reproduction spans a variety of methods. The simplest single-celled or unicellular organisms including archaea, amoeba, bacteria, reproduce by binary fission. In the process, the cells simply divide in half creating a clone of the parent and hold the benefit of usually 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 they split into more than one offspring. Organisms such as Cryptosporidium parvum, sporozoan, etc may utilize multiple fission.
While in multicellular organisms, a similar method is named fragmentation in which small pieces break off and grow into new organisms. Another method involves budding, which produces a completely new adult by remaining attached to the original body or develops from the original body. A common thread in all this is that the offspring is a direct clone of the parent. The purpose of reproduction as we’re well aware is to propagate one’s own genes. Evolutionarily, asexual reproduction is a good bet for the species. It is quick, simple and the genes of the parent will not be diluted by those of another individual. Also, an organism that reproduces asexually can reproduce about twice as fast as one that reproduces sexually.
Sexual reproduction
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.
align=”justify”One must understand that the sexual reproduction is a lot more complex than asexual reproduction. It includes the production of gametes, which have half the number of chromosomes of all other cells in the organism and the process of meiosis, which produceshaploid cells from diploid cells which could lead to the possibility of two copies of a single chromosome crossing over to create a completely new chromosome that contains a new combination of genes. You see, switching from chromosome to chromosome is a good way to ensure that the genes will keep active in a given population. Besides these, factors like gestation period also play an important role in sexual reproduction. Gestation period is the timeframe it requires for the fetus to fully develop either internally (like the mother’s womb) or externally (like an egg).
Difference between the sexual and asexual reproduction.
Let us check out some significant difference between the sexual and Asexual reproduction.
Asexual Reproduction
Sexual Reproduction
Occurs in lower invertebrates, lower chordates, and prokaryotic microorganisms and in some eukaryotic single-celled and multi-celled organisms.
Occurs almost in all types of multicellular organisms including humans, animals and mostly in higher plants.
It is uniparental.
It is usually bi-parental.
Gametes are not formed.
Gametes are formed.
Somatic cells of parents are involved.
Germ cells of parents are involved.
No fertilization occurs.
Fertilization takes place.
The absence of reproductive organs.
Presence of fully developed reproductive organs.
Only mitosis type of cell division occurs.
Both meiosis and mitosis type of cell division occurs.
Original parent disappears after the process of reproduction.
Original parents remain alive after the process of reproduction.
The progeny and the parent will be genetically identical.
The progenies will be genetically different from the parents.
Characteristics of only one parent are inherited.
Characteristics of both parents are inherited.
The genes and genetic material are just multiplied and passed on to new organisms from the parent.
The genetic material undergoes intermixing from both parents to form a new set of genetic material.
Multiplication is very rapid and in lesser time.
Multiplication is not so rapid and takes the longest time to complete.
The number of offspring produced may vary from two to many.
The number of offspring produced are comparatively lower.
No evolutionary significance.
Has evolutionary significance in the population.
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