What kind of tumor did Rous find to be virus-associated?
Brain tumor
Skin tumor
Chicken tumor
Bone tumor
Answer
Chicken tumors, specifically sarcomas, were found to be virus-associated by Peyton Rous. In his groundbreaking experiments conducted in the early 20th century, Rous observed that cell-free filtrates from cancerous chicken tumors could transmit the disease to healthy chickens. This discovery challenged the prevailing notion that cancer was solely caused by genetic factors or spontaneous mutations.
Unveiling the Legacy: The Remarkable Life of Francis Peyton Rous
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