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Genetics and Neurons

Across
multiple genes affecting a given trait
cell body
drug that blocks or impedes the normal activity of a given neurotransmitter
chemical messenger of the nervous system
the nervous system that contains the brain and spinal cord
small gap between two neurons where communication occurs
fatty substance that insulates axons
Down
consisting of two identical alleles
basic building block of the nervous system responsible for receiving and sending messages
sequence of DNA that controls or partially controls physical characteristics
allele whose phenotype will be expressed over another allele
the study of how gene expression is modified by the environment
storage site for neurotransmitters within the terminal bouton
helix-shaped molecule made up of nucleotide base pairs