In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

[Q]: Fact1: Skin color is another polygenic trait., Fact2: Most dental variations are polygenic, that is controlled by several genes., Question: Skin color is a trait controlled by what? (A) prokaryotic cells (B) one gene (C) enzymes (D) keratin (E) one's descendants (F) several genes (G) the environment (H) a single gene
[A]: F


[Q]: Fact1: Animals can communicate with sounds, chemicals, or visual cues., Fact2: Unlike animal communication, properly human communication is abstract and linguistic in nature., Question: Which of the following do humans not use to communicate? (A) chemicals. (B) limb amputation (C) emissions (D) sweating (E) smoking pipes (F) dry conditions (G) visible energy (H) heat or cold
[A]: A


[Q]: Fact1: information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring, Fact2: Offspring appear in litters., Question: Information in organism's chromosomes cause what to be passed down to their litters? (A) favorite foods (B) gene flow (C) genetic material (D) genetic traits (E) deoxyribonucleic acid (F) fur (G) genetic diversity (H) chromosomes
[A]:
D