{"slug":"","question":"Why are cheetahs notoriously genetically homogeneous?","topic":"CONSERVATION GENETICS","answer_a":"Scientists could not find photographic evidence","answer_b":"A population bottleneck ~12,000 years ago reduced them to near-extinction","answer_c":"They were deliberately depopulated in the 1800s","answer_d":"Their prey base collapsed during the Holocene","correct_index":1,"fact":"Modern cheetahs show unusually low genetic diversity — so low that skin grafts between unrelated individuals are often not rejected. A severe bottleneck at the end of the last Ice Age is the leading explanation."}