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2 years ago

Why are horses and donkeys considered different species even though they can interbreed

2 answers:

soldier1979 [14.2K]2 years ago

6 0

Horses and donkeys are considered as different species because the offspring which is produced due to the interbreeding of both the animal called as Mule.

This Mule is sterile and cannot produce offspring.

According the definition of the species, the organisms belonging to the same species should be able to interbreed and produce a viable offspring which can further reproduce among themselves.

Gennadij [26K]2 years ago

4 0

The reason is because the mule is sterile and cannot breed other mules.

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emmasim [6.3K]

Answer:

The correct answer is -

Parental - BB and bb

Genotypes: 100% Bb

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Explanation:

It is given that a cross between a brown and a silver-blue mink produces all brown offspring and it is only possible if brown is dominant over silver blue in true breed cross, assume brown trait is represented by B and silver-blue is b then parents will be

BB and bb

B B

b Bb Bb

Cross between F1 individuals: Bb cross Bb

gametes : B, b and B, b

B b

B BB Bb

b Bb bb

the genotype of F2 : 1:2:1 = ¼ BB, ½ Bb, ¼ bb

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2 years ago

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A cross between a plant with red flowers (R = dominant) and a plant with white flowers (r = recessive) yielded 47 plants with re

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Answer:

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Explanation:

I took the test and got it right.

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