Question

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question 1 (mandatory) (2 points)
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the type of reproductive isolation in which two populations are separated due to the sperm cells of one not being able to fertilize the egg cells of the other is
hybrid inviability.
ecological isolation.
temporal isolation.
gametic isolation.
hybrid infertility.

Explanation:

• Hybrid inviability: Occurs when a hybrid zygote fails to develop properly.
• Ecological isolation: Populations are separated by different habitats.
• Temporal isolation: Populations breed at different times.
• Gametic isolation: Sperm cannot fertilize eggs of another population.
• Hybrid infertility: Hybrids are unable to produce offspring.

The question describes sperm being unable to fertilize eggs, which matches gametic isolation.

Answer:

gametic isolation.