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Scientists have long been interested in differences between dogs and wolves in their social behavior toward humans. Dogs and wolves share a common ancestor. In trying to understand the differences, a researcher analyzed data collected from 18 domesticated dogs and 10 wolves that had been raised by humans. If she discovered that the degree of social relationship a dog exhibited toward humans was positively correlated with a chemical modification of a part of a chromosome rather than what alleles a dog had, this would be an example of ________.
Coronary Blood Flow
The circulation of blood in the blood vessels of the heart muscle (myocardium).
Coronary Arteries
The arteries that supply blood to the heart muscle, essential for maintaining the heart's oxygen and nutrient levels.
Coronary Bypass Surgery
A surgical procedure that improves blood flow to the heart by diverting blood around blocked or narrowed coronary arteries.
Left Main Coronary Artery
A primary artery that supplies blood to the left side of the heart, crucial for providing oxygen-rich blood to the heart muscle.
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