Explain the difference between prezygotic and postzygotic isolating mechanisms with a real-world scenario.

Explain the difference between prezygotic and postzygotic isolating mechanisms with a real-world scenario.

• A. Prezygotic barriers prevent mating or fertilization; postzygotic barriers reduce viability or fertility of hybrids after mating
• B. Prezygotic barriers cause sterile offspring; postzygotic barriers prevent mating
• C. Prezygotic barriers occur after mating; postzygotic barriers occur before mating
• D. Prezygotic and postzygotic barriers are the same

Answer: (A)