Gametes (sex cells) have a. two alleles for each gene (homologous chromosomes).b. twice the number of chromosomes found in body cells. c. two sets of chromosomes. d. one allele for each gene (haploid chromosomes).

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.

that is wrong, its not thymus.