The number of different alleles for ABO types

in the total human population is



a. 2.
b. 3.
c. 4.
d. 6.
e. 8.


B

Biology & Microbiology

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We know that carbon dioxide levels were in the atmosphere millions of years ago through ____

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The phrase Darwin used to describe his broad theory of evolution is "descent with ______"

Fill in the blank(s) with the appropriate word(s).

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