★ Inheritance Quiz
What is the genotype of a person with type A blood, who had a father with type O blood?
A. AB
B. AO
C. AA
D. OO
Select your answer:
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Conjunctivita › ViewWhat can cure Viral Conjunctivita
A. Eye Drops
B. Waiting only
C. None
Excretion › View
Mammals have evolved a sophisticated mechanism for eliminating nitrogenous waste that involves:
A. secretion through cell membranes
B. forming urea and storing it in concentrated solution
C. producing uric acid and excreting it with feces
D. recycling urea and using it as an energy source