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Parthenogenesis is a process whereby a single egg can develop without the presence of biologic material (sperm) from a male. In some lower animals parthenogenesis can lead to reproduction naturally, for example, it is a common form of reproduction in flies, ants, lizards, snakes, fish, birds, reptiles, amphibians, honeybees, and crayfish. Eutherians (mammals with a placenta) are not capable of this form of reproduction; therefore parthenogenesis is not known to occur naturally in primates or most other higher order animals. The advantages of parthenogenetic reproduction are that without sex, parthenogenesis takes less energy and allows for more rapid reproduction in the short term. This is great for insects that may want to increase their numbers quickly to inhabit a new territory. In addition, it allows reproduction to occur in some animals when sexual reproduction is impossible; for example, if a female were isolated and unable to find a male with whom to mate. Finally, if a species is already well adapted to its environment, it may not pay to expose the species to the genetic variation brought by sexual reproduction. However, on the flip side, because only one individual's genes are passed on to the offspring, parthenogenesis limits genetic diversity and without diversity, genetic mutations can amplify within a species. Although mammals do not reproduce using parthenogenesis, parthenogenesis can be used to cause an unfertilized human egg to form a ball of cells called a blastocyst from which human stem cell lines can be created. These stem cell lines (called parthenogenetic stem cell lines) have been shown in published research to have the same capacity as an embryonic stem cell line to create, through differentiation, the basic human tissues that lead to all cells in the human body. In addition, researchers have shown that specific human cells created from parthenogenetic stem cell lines, such as liver-like cells, retinal pigment cells, nerve cells or beating heart-like cells may be useful for research and for therapies based on cell implantation. However, the parthenogenetic blastocyst, even if implanted back into the womb of the donor, would not produce a viable fetus so nothing that could become a viable human life is ever destroyed.

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Parthenogenesis is a form of asexual reproduction in which an unfertilized egg develops into a new individual. This process bypasses the need for fertilization by a male gamete, resulting in offspring that are genetically identical to the parent. Parthenogenesis is observed in some invertebrates, reptiles, and fish species.

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Q: How does parthenogenesis relate to reproduction?
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What are the 4 types of asexual reprodution?

The four types of asexual reproduction are binary fission, budding, fragmentation, and parthenogenesis. Binary fission is when an organism divides into two equal parts, budding is when a new organism grows from a parent organism, fragmentation is when a parent organism breaks into pieces, each of which can grow into a new organism, and parthenogenesis is when an egg develops without fertilization.


What does it mean to reproduce parthenogenetically?

Parthenogenetically is the adverb form of the noun parthenogenesis, a reproduction in which an unfertilized egg develops into a new individual, occurring commonly among insects and certain other arthropods.


What species of lizards do no males exist?

In a few lizard species, such as the New Mexico whiptail lizard and some species of geckos, no males exist. These species reproduce through parthenogenesis, a form of asexual reproduction where females can produce offspring without fertilization by a male.


How do snakes reproduce asexually?

Snakes do not reproduce asexually. They reproduce sexually, with most species requiring a male and female to mate and produce offspring. Asexual reproduction, such as parthenogenesis, is rare in snakes and occurs in a few species where females can produce offspring without fertilization.


What results in progeny that inherit all the characteristics of a single parent?

Parthenogenesis. There are also a few species of animals that reproduce using the semen of similar species but the genetic material in the semen is not incorporated into the embryo. I don't remember the term for this type of reproduction but will ad it when I can.

Related questions

Is parthenogenesis a type of asexual reproduction?

Yes, parthenogenesis is a type of asexual reproduction where an unfertilized egg develops into a new individual. This process is observed in various organisms, including some insects, reptiles, and plants.


What Reproduction does not need two parents to produce an individual?

Asexual reproduction. Parthenogenesis.


What would occur if humans reproduced by parthenogenesis?

Humans are produced via sexual reproduction. That gives genetic diversity. You do not get such genetic diversity in case of the parthenogenesis. It is poor mode of reproduction.


What form of asexual reproduction is shown here for a salamander?

parthenogenesis


What organisms demonstrate parthenogenesis?

Parthenogenesis is a type of asexual reproduction where there is no fertilization needed. Some organisms that demonstrate this are komodo dragons and water fleas.


Differences of Parthenogenesis diploid and parthenogenesis haploid?

Parthenogenesis diploid produces offspring with two sets of chromosomes, similar to sexual reproduction, resulting in genetic variation. Parthenogenesis haploid produces offspring with only one set of chromosomes, leading to clones of the mother with no genetic diversity.


What is reproduction called when it occurs in plant and animals and only requires one parent?

Its called asexual reproduction in plants and parthenogenesis in animals


Parthenogenesis is a method of?

Parthenogenesis is a type of asexual reproduction, meaning the egg doesnâ??t have to be fertilized to make a new offspring. This process is naturally occurring in certain animals, as well as plants.


Is an butterfly an parthenogenesis?

No, butterflies do not reproduce through parthenogenesis. Parthenogenesis is a form of asexual reproduction where an egg develops into an individual without being fertilized by sperm. Butterflies reproduce sexually, with a male butterfly fertilizing the eggs laid by a female butterfly.


Who were Hephaestus's Parents?

Zeus and Hera, though he is sometimes portrayed as a son only of Hera by parthenogenesis (asexual reproduction).


What are the methods in asexual reproduction?

Binary fission Multi fission Budding Fragmentation Parthenogenesis. Are some .There are many in plants too.


What is parthogenesis?

Parthenogenesis is a form of asexual reproduction where an unfertilized egg develops into a new individual without the need for male genetic material. It is commonly seen in some insects, fish, reptiles, and amphibians.