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The reason that many allopolyploid hybrids are sterile is that Many of these rapid changes may contribute to reproductive isolation and speciation

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Q: Why are allopolyploid hybrids are usually sterile?
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Related questions

What are the sterile animals?

Animals which don't get pregnant, cause pregnancy or won't give birth. Usually hybrids are sterile.


Can jellybean parrot fish reproduce?

Yes, but you usually have to breed them with convict cichlids, because they are hybrids and the males are often sterile.


Why are hybrids sterile?

Hybrids are often sterile because te set of chromosoms from one species cannot pair during meiosis with the set of chromosomes from the other species. ("Biology", Reece 7th edition)


What are the other infertile animals apart from mules and zebroid?

All mammalian hybrids are sterile if male. The females can be subfertile.


The type of reproductive barrier that occurs when two species mate but produce sterile hybrids is referred to as?

a post-zygotic barrier


Does crossbreeding usually produce breeds or hybrids?

Breeds


Are mules considered a species?

Donkeys? No. They are sterile Mules do not breed. They have 1 too many chromosomes wich makes them infertile.


What is post zygotic?

You may mean post zygotic isolation/barrier to interbreeding between species. Sterile hybrids, such as mules are a good example of this. The zygote can form from the union of two gametes, but the mature organisms can no longer produce progeny usually due to chromosome mismatch.


Does a liger lay eggs?

No, they are big cats. Ligers are the result from man cross breeding a lion and a tiger, as with most hybrids they are sterile. If they were able to reproduce, they would have cubs.


Are cats with 1 ball sterile?

No , they usually arent sterile . For them to be sterile by birth, both the testicles need to be undescended. experirnce- 2 crypto-orchid cats.


What is the difference between sterile and non-sterile gauze?

One is guaranteed to have no microorganisms on it inside the sterile packaging, the other is clean but is not guaranteed to have no microorganisms on it.


Does sterile mean clean?

Not exactly. Sterile refers to being free from living organisms, such as bacteria and viruses, that could cause infection or disease. Cleanliness, on the other hand, usually refers to the absence of dirt or grime. While something that is sterile is usually clean, something can be clean without necessarily being sterile.