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One group of fruit flies reproduces in August and one group reproduces in September. Which of the following mechanisms is preventing them from crossbreeding?
A) Sexual isolation
B) Diurnal isolation
C) Gametic isolation
D) Temporal isolation
E) Mechanical isolation
Temporal Isolation
A form of reproductive isolation where two species breed at different times of day, season, or years, preventing interbreeding.
Sexual Isolation
A mechanism of evolutionary divergence where different species or populations can no longer interbreed due to behavioral or genetic barriers.
Gametic Isolation
A prezygotic barrier where gametes (egg and sperm) of different species are incompatible, preventing fertilization.
- Acquire knowledge on the diverse types of reproductive isolation mechanisms and their meanings.
- Identify the significance of temporal, habitat, and mechanical isolation in obstructing gene exchange among species.
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Learning Objectives
- Acquire knowledge on the diverse types of reproductive isolation mechanisms and their meanings.
- Identify the significance of temporal, habitat, and mechanical isolation in obstructing gene exchange among species.
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