If the defective gene for color blindness is carried on the x chromosome, and a color blind mother's 23rd pair of chromosomes carries the defect on both chromosomes, what is the likelihood that her son will have color blindness?

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.