Which, If Any, of the Following Statements, Is False

question 38

Essay

Which, if any, of the following statements, is false?
a) As a result of many post-zygotic changes in the DNA of our cells, each of us is a genetic mosaic.
b) The vast majority of the post-zygotic DNA changes are random mutations.
c) The vast majority of the post-zygotic DNA changes do not affect gene expression.
d) Some post-zygotic DNA changes are programmed to occur in a very limited number of cell types.

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Definitions:

Double-Masked Design

Experimental procedure in which neither the participant nor the experimenter knows whether the participant has received the experimental treatment or a placebo.

Manipulated

Being controlled or influenced in a clever and often unfair or selfish way.

Experiment

A research procedure in which a variable is manipulated and the effect of the manipulation is observed.

Observational Study

A type of research in which the investigator observes and records behavior or outcomes without manipulating the study environment or subjects.