All Neurons Contain

question 120

Multiple Choice

All neurons contain

• A)dendrites,an axon,and a myelin sheath.
• B)dendrites,an axon,and nodes of Ranvier.
• C)dendrites,a cell body,and an axon.
• D)a cell body,a myelin sheath,and an axon.

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Definitions:

Autosomal Abnormality

A genetic condition caused by a mutation in one of the autosomal (non-sex) chromosomes, affecting both males and females equally.

Edwards Syndrome

A genetic disorder caused by the presence of all or part of an extra 18th chromosome, characterized by developmental delays, intellectual disability, and various physical abnormalities.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental delays and distinctive physical features.

Nondisjunction

An error in cell division that results in daughter cells with an incorrect number of chromosomes, leading to genetic disorders such as Down syndrome.