Mysteries of the Human Body Key Terms PLTW

A trait that appears only in individuals who receive two copies of a mutant gene

What part of the brain is this?

A discrete unit of hereditary information consisting of a specific nucleotidesequence in DNA

Pair of sensory nerves that form an optic chiasma and conductvisual stimuli to the brain.

Thepart of the brain connecting the spinal cord with the forebrain and

Small circular area in the retina where the optic nerve enteres the eye insensitive of light

A rare change in the DNA of a gene, ultimately creating genetic diversity.

Hearing loss or impairment resulting from exposure to loud sound.

The separation of nucleic acids or proteins based on their size using an electrical field.

The integrating center for memory, learning, emotions, and other highly complex functions

A nerve cell; the fundamental unit of the nervous system.

Thepart of the brain connecting the spinal cord with the forebrain and

Double-stranded, nucleic acid molecule that determines inheritedstructure of  cell’s proteins.

Thepart of the brain connecting the spinal cord with the forebrain and

A diagram of family tree showing traits and characteristics from generation to generation

A person who has only onecopy of the gene associated with the trait and exhibits the trait

Part of Vertebrates that consist of the Brain and Spinal Cord