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a chromosome contains one long molecule.
each gene in this molecule gives the instructions for making a
both chromosomes in a pair of chromosomes have the same genes, but the genes in these two chromosomes may have different

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.