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Which one of the following is an example of a postzygotic reproductive barrier A Hybid sterility B habitat isolation C Gamete isolation?
A Hybrid sterility is an example of a postzygotic reproductive barrier. This occurs when the offspring of two species are sterile and cannot produce viable offspring of their own. It is a mechanism that prevents gene flow between species after mating has occurred.
The type of reproductive barrier that occurs when two species mate but fail to produce fertile hybrids is referred to as?
The type of reproductive barrier you are referring to is called "hybrid inviability" or "hybrid infertility." It occurs when the offspring of two different species are unable to reproduce themselves, often due to genetic incompatibility between the parents.
What is an example of postzygotic isolation?
An example of postzygotic isolation is hybrid inviability, where hybrid offspring fail to develop or survive to reproductive age due to genetic incompatibilities between the parent species. This can lead to reduced fitness and ultimately prevent further gene flow between the two species.
Hybrid inviability is an example of what kind of isolation?
Hybrid inviability is an example of postzygotic isolation, which occurs after mating between two different species has taken place resulting in hybrid offspring that do not survive or reproduce.
What is a prezygotic mechanism?
prezygotic or postzygotic
What is a reproductive barrier in which the zygote dies before birth?
postzygotic barrier
Which one of the following is an example of a postzygotic reproductive barrier A Hybid sterility B habitat isolation C Gamete isolation?
A Hybrid sterility is an example of a postzygotic reproductive barrier. This occurs when the offspring of two species are sterile and cannot produce viable offspring of their own. It is a mechanism that prevents gene flow between species after mating has occurred.
A reproductive barrier that prevents species from mating is an example of?
a prezygotic barrier
A mule is prezygotic or postzygotic?
The mule would be considered postzygotic. This is because of the usually sterile reproductive traits that are commonly associated with being a hybrid.
The type of reproductive barrier that occurs when two species mate but fail to produce fertile hybrids is referred to as?
The type of reproductive barrier you are referring to is called "hybrid inviability" or "hybrid infertility." It occurs when the offspring of two different species are unable to reproduce themselves, often due to genetic incompatibility between the parents.
The most important factor in preserving horses and donkeys as distinct biological species?
a postzygotic barrier
What is an example of postzygotic isolation?
An example of postzygotic isolation is hybrid inviability, where hybrid offspring fail to develop or survive to reproductive age due to genetic incompatibilities between the parent species. This can lead to reduced fitness and ultimately prevent further gene flow between the two species.
What is Post zygotic barrier?
A postzygotic barrier is a reproductive mechanism that occurs after fertilization, preventing the successful development or reproduction of hybrid offspring. These barriers can manifest in various forms, such as reduced viability, where hybrids do not survive to maturity, or reduced fertility, where hybrids are sterile and cannot produce offspring. Postzygotic barriers help maintain species integrity by limiting gene flow between distinct species, even if mating occurs. Examples include mules, which are hybrids of horses and donkeys, and are typically sterile.
Hybrid inviability is an example of what kind of isolation?
Hybrid inviability is an example of postzygotic isolation, which occurs after mating between two different species has taken place resulting in hybrid offspring that do not survive or reproduce.
What is reproductive isolation caused by?
Reproductive isolation can be caused by barriers that prevent individuals of different species from successfully interbreeding. These barriers can be prezygotic (before mating or fertilization) or postzygotic (after mating or fertilization) and may be due to differences in behavior, genetics, ecology, or geography.
What is a prezygotic mechanism?
prezygotic or postzygotic
What is Mechanical Isolation?
Mechanical isolation is a type of reproductive isolation that occurs due to physical barriers preventing mating between members of two different species. This can include differences in size, shape, or other physical characteristics that make mating physically impossible or unlikely. Mechanical isolation helps maintain species boundaries and promotes genetic diversity by preventing interbreeding between species.
