Knockout Mice Have Been Genetically Altered to Knock Out Specific

question 27

Multiple Choice

Knockout mice have been genetically altered to knock out specific genes. How are these mice most often used in research?

• A) to study DNA replication in the defective genes (those that have been altered)
• B) to determine the role of proteins coded for by those genes that are knocked out
• C) to examine defects in DNA structure in those regions that have been altered
• D) to study the effect of radiation on DNA

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Definitions:

B Cells

A type of white blood cell that plays a key role in the immune response by producing antibodies to neutralize pathogens.

Red Blood Cell

A cell that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Abbreviation

An abbreviation is a shortened form of a word or phrase used to save space or avoid repetition.

Immune Response

The body's defense mechanism against foreign substances, involving both specific and non-specific components.