Which of the following is an example of a postzygotic mechanism for reproductive isolation? A. behavioral isolation B. gametic isolation C. habitat separation D. Mechanical isolation E. Hybrid sterility
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A. Behavioral isolation: This is a prezygotic mechanism, as it prevents mating and fertilization due to differences in mating behaviors. B. Gametic isolation: This is also a prezygotic mechanism, as it prevents fertilization due to incompatibility between Show more…
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Which of the following reproductive barriers would prevent a hybrid zygote from developing into a viable, fertile adult? a. Gametic hybridization b. Behavioral isolation c. Hybrid sterility d. Mechanical isolation
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Reproductive isolation is a. a result of individuals not mating with each other. b. a specific type of postzygotic isolating mechanism. c. $\quad$ required by the biological species concept. d. $\quad$ None of the choices is correct.
Indicate the type of isolating mechanism described in each scenario. a. habitat isolation b. temporal isolation c. behavioral isolation d. mechanical isolation e. gamete isolation f. zygote mortality g. hybrid sterility h. low $\mathrm{F}_{2}$ fitness A hybrid between two species produces gametes that are not viable.
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