DEP- Chapter 3

The observable characteristics of an individual

An individual’s genetic endowment that is inherited

Conditions and circumstances that surround an individual

Genetic material is passed on as chromosomes

Carry all the biochemical instructions involved in the formation and functioning of an organism

long, threadlike molecules made up of DNA

23 Female
23 Male

is not expressed if a dominant allele is present.

is the form of the gene that is expressed if present.

Having inherited two genes of the same allelic form for a trait.

Having inherited two  genes of different allelic  forms for a trait.

are specialized cells that are the basic units of the brain’s information system.

glial cells form a _____ around certain axons, providing insulation that increases the speed and efficiency of information transmission.

are major areas of the cortex that are associated with different categories of behavior.

Which hemisphere ?

Sensory information and control of right side of body
Verbal abilities
Positive emotion
Sequential, analytical processing

Which hemisphere

Sensory information and control of left side of body
Spatial abilities
Negative emotion
Holistic, integrative processing

the proliferation of neurons through cell division; is largely complete by about 18 weeks after conception

Each neuron forms synapses with thousands of other neurons, resulting in the formation of trillions of connections.

The extensive generation of neurons and synapses results in an overabundance that must be eliminated.

is the capacity of the brain to be affected by experience.

process through which the normal wiring of the brain occurs as a result of general experiences that every human who inhabits any reasonably normal environment will have.

is the process through which neural connections are created and reorganized throughout life as a function of an individual’s experience.