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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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ihatebio ihatebio
wrote...
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12 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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#1
Posts: 101
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12 years ago
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avance37
wrote...

12 years ago
Good timing, thanks!
Transonic
wrote...

Yesterday
Just got PERFECT on my quiz
mikeh209
wrote...

2 hours ago
Thanks
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