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Karl Landsteiner placed animal blood in human blood and discovered that the blood clumped. Which did his creativity lead to?

understanding the process of blood clotting
understanding the formation of blood cells
understanding the function of antibodies
understanding A, B, AB, and O blood groups

User Chwarr
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Answer:

d) understanding A, B, AB, and O blood groups

Step-by-step explanation:

its says so e 2020

User Ben Whitmore
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Karl Landsteiner understood the different blood groups A, B, AB, and O. He was a biologist and physician that distinguished these main blood groups in the 1900. He was also the man behind the discovery of polio virus in 1909 and had received the Nobel Prize in Physiology in the year 1930. Today he is currently recognized as the father of transfusion medicine.

User Krzydyn
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