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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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ihatebio ihatebio
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13 years ago
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?
A. Prezygotic
B. Postzygotic
C. Zygotic
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fireguy1fireguy1
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13 years ago
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54321abs
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13 years ago
You make an excellent tutor!
sweetalia
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Yesterday
Good timing, thanks!
dianeflunder
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2 hours ago
Thanks for your help!!
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