LYMPHATIC
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A
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B
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AB
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O
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Detailed explanation-1: -The need for O+ is high because it is the most frequently occurring blood type (37% of the population).
Detailed explanation-2: -Myth: O Negative blood is the rarest blood type Contrary to popular belief, O-blood is not the rarest blood type. It is estimated 7 percent of the population has O-blood type while only 1% of the population has AB-blood.
Detailed explanation-3: -In order to be group O, you need both parent cells to be O. But group O is still more common simply because it is the ancestral form. The A and B mutations appeared in the last 20, 000 years and haven’t spread through the population yet.
Detailed explanation-4: -African American: 47% O-positive, 24% A-positive, and 18% B-positive. Latin American: 53% O-positive, 29% A-positive, and 9% B-positive. Asian: 39% O-positive, 27% A-positive, and 25% B-positive. Caucasian: 37% O-positive, 33% A-positive, and 9% B-positive.