A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that they are unable to produce viable offspring. What kind of evolutionary barrier could this be?
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it is because they belong to different species.and members of different species can't mate with each other
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Evolutionary barrier can be called as Post zygotic barrier of evolution when two similar looking fruits are made to be mated.
Explanation:
Two similar-looking fruit flies “Drosophila melanogaster and Drosophila simulans” are made to be mated. But viable offspring is not produced. This barrier is known as Post zygotic barrier of evolution.
The type of barrier in which the organism lacks to produce viable offspring is called Post zygotic barrier. In the case given, both species of Drosophila are mated but problem is happening in F1 generation.
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