Which Statement About Hox Genes Is True

question 70

Multiple Choice

Which statement about Hox genes is true?

• A) In mammals, the temporal and spatial expression of Hox genes follows their linear order on the chromosome.
• B) Most but not all Hox genes contain a sequence of DNA called the homeobox.
• C) Hox gene products serve as structural proteins.
• D) In vertebrates, Hox genes control differentiation primarily along the dorsal-ventral axis.
• E) Mammals have ten Hox gene complexes, each with about four genes.

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Definitions:

Epilepsy

A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.

Atypical Antipsychotics

A class of medication used to treat psychiatric conditions, known for having a lower risk of certain side effects compared to earlier antipsychotic drugs.

Classic Antipsychotics

A group of older antipsychotic drugs primarily used to treat symptoms of psychosis, such as in schizophrenia, by blocking dopamine receptors.

Positive Symptoms

Symptoms of a condition that are characterized by the presence of unusual behaviors or feelings, such as hallucinations or delusions.