Afemale horse can mate with a male donkey but they will produce a mule that is sterile. this is an example of what type of isolation mechanism?

The postzygotic isolating mechanisms

Explanation:

The postzygotic isolating mechanisms refer to the mechanisms that isolate members of different species reproductively after the process of fertilization.  

One of these mechanisms is hybrid sterility wherein the hybrid produced by a cross between two organisms of different species is sterile and can not reproduce.  

In the given example, the mule is an interspecific hybrid of a female horse and male donkey but is sterile. This is an example of postzygotic isolating mechanisms that prevent gene flow between horses and donkeys.  

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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gokuson

answer by yourhope:

hi! : )

in which structure in the nucleus are ribosomes made?

b) nucleolus!

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