What Is a Point Mutation

question 58

Multiple Choice

What is a point mutation?

• A)a mutation that affects a single cell
• B)a mutation in which one chromosome is lost
• C)an error in DNA that is caused by malfunctioning of DNA ligase
• D)a mutation found at a single base pair in the genome
• E)a mutation that affects only one metabolic pathway

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Definitions:

Brain Region

Specific areas within the brain responsible for particular functions or processes.

Ecological Validity

A property of research such that the focus of study is something that occurs naturally outside an experimental laboratory.

Naturalistic Observation

A research paradigm in which an observer observes participants in familiar everyday contexts while ideally remaining as unobtrusive as possible.

Experiment

A test of a scientific theory in which the researcher manipulates the independent variable.