Two mammals, a sheep and a goat, produce offspring.Only the F₁ and F₂generations produce fertile offspring.This is occurs as result of: A) hybrid breakdown. B) hybrid inviability. C) hybrid sterility. D) macroevolution. E) microevolution.

Question

Quizplus · Accepted Answer

Hybrid breakdown occurs when the first generation (F1) hybrids are viable and fertile, but the second generation (F2) or later generations are inviable or sterile. This explains why only the F1 and F2 generations produce fertile offspring in this scenario.

Two Mammals, a Sheep and a Goat, Produce Offspring