PSY 1012 Lecture Notes - Lecture 8: Twin Study, Heredity, Brainstem
Document Summary
Underlying set of instructions determining organism"s possible characteristics. The chemicals within chromosomes that determine genetic heritage. A single- celled organism resulting from the union of an egg and a sperm. The percentage of cases where both twins share the same trait or disorder. Twins who develop from different eggs fertilized by different sperm; no more genetically alike other siblings. Long strands of genetic instructions found in the nuclei of cells. The cell body of the neuron; it contains the nucleus. Nucleus the organelle in the cell body of the neuron that contains the genetic material of the cell. Schwann cells cells that produce myelin- they are located within the myelin sheath. A large bundle of nerve fibers that connect the left and right cerebral hemispheres. In the lateral section, it looks a bit like a c on its side. The part of the brainstem that joins the hemispheres of the cerebellum and connects the cerebrum with the cerebellum.
