Acetylcholine is the neurotransmitter that sends signals along synapses which will keep creating action potentials in nerves so that signals are passed to the muscle cells (effectors)
Answer:
Genetic variation can be caused by mutation random mating, random fertilization, and recombination between homologous chromosomes during meiosis
Explanation:
Hey There! Here is your answer: Your answer is B "Black and White" Hope This Helps!
