2pointswhat is an allele? oa. a gene that causes a specific traitob. an organism that lives in eukaryotesc. a chromosome that determines genderod. a group of chromosomes

answer: a. a gene that causes a specific trait.

the peripheral nervous system or pns contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body. the peripheral nervous system's main job is to send information gathered by the body's sensory receptors to the cns as quickly as possible.