5) you are in the field studying two species of tanager, the western tanager and the summer tanager. you notice that the male birds are brightly colored and do an elaborate dance to attract females. the males do not appear to be picky; they court females of both species. the females, however, only respond to the males of their own species; they never mate with males of the other species. you then catch 10 males and 10 females of each species and bring them back to the lab. in the lab, after some persuasion (barry white and a nice bottle of wine), you successfully mate male western tanagers to female summer tanagers. when the eggs hatch, all of the offspring are male, no female chicks came of the hybridization. what type of prezygotic barrier to gene flow is this? what type of postzygotic barrier?
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Biology, 22.06.2019 00:00
If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.
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Biology, 22.06.2019 06:30
Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases
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Biology, 22.06.2019 11:30
Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different
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5) you are in the field studying two species of tanager, the western tanager and the summer tanager....
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