Answer:
ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells.
Explanation:
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Genetic engineering is a big part of agriculture. that would be your answer
The focea centralis functions to promote daytime vision, being the site of concentrated photoreceptors called cone cells.
Retinol is the form of vitamin A that causes the greatest concern for toxicity.
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