Why donkey and horse can not be considered as single

Species though they have an offspring?

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Solution

Two organisms belong to the same species only if they can mate and produce fertile offspring.A horse and a donkey can mate with each other. Their offspring, called a mule is not fertile. So, horses and donkeys do not belong to the same species.

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Similar questions

Which one of the following is the correct statement about the respective animal(s)?

(a) Donkey and horse should be considered one single species because they can successfully mate and produce an offspring.

(b) Donkey and horse are two different genera.

(d) Mule is neither a donkey nor a horse.

After reading the article, Stephan requested his grandfather to take him to a zoo. Overthere he saw an animal which resembled a horse and a donkey. He thought that donkey and horse are of the same species. But his grandfather corrected him by saying that no they are not. Identify the reason why they are not of the same species.

Q. A donkey and a horse are able to mate and produce an offspring known as a mule. The resultant mule possesses 63 chromosomes in its cells due to the donkey parent having 62 chromosomes and the horse parent having 64. The mule is unable to mate with other mules to produce its own offspring.
Which of the following reproductive isolating mechanisms is operating in this situation?

Q. Horse and donkey belong to the same species.

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Why donkey and horse can not be considered as single Species though they have an offspring?

Two organisms belong to the same species only if they can mate and produce fertile offspring.A horse and a donkey can mate with each other. Their offspring, called a mule is not fertile. So, horses and donkeys do not belong to the same species.

Why donkey and horse can not be considered as single

Species though they have an offspring?