Science must be based on which of the following? Select all that apply.

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.

Iwanna go do something with my ideas? ?

Can a trait be both polygenic and have multiple alleles? explain why or why not.