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Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Which atmospheric later is where earths northern and southern lights occur

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked