★ Heredity Quiz
Which of the following is heterozygous or one dominant and one recessive allele?
A. FF
B. tt
C. Gg
D. RR
Select your answer:

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Circulatory System › ViewWhat does Deoxygenated mean?
A. Oxygen-rich
B. Blood flow
C. Oxygen-poor
D. Water Flow
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A substance in food that your body needs to grow, to repair itself, and to supply you with energy.
A. Nutrition
B. Nutrients
C. calories
D. sodium