Which Statement Describes a Primary Mutant Screen

question 10

Multiple Choice

Which statement describes a primary mutant screen?

• A)A researcher uses CRISPR to create mutations in mouse homologs of three genes that function in heart development in the fruit fly.
• B)A scientist uses RNAi to simultaneously knock down the expression of two genes in C.elegans to determine whether they function redundantly.
• C)A scientist examines a large number of mutagenized zebrafish embryos for abnormalities in blood vessel formation.
• D)A researcher treats a large number of Arabidopsis plants with different chemicals to determine which chemicals inhibit plant growth.

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Definitions:

Closed-Ended

Pertaining to a question or survey response option that limits answers to a set of predefined choices, making data easier to quantify.

Negative Wording

The use of language with negative connotations or phrasing that can influence the responses or perceptions in surveys and experiments.

Self-Serving Bias

The common human tendency to attribute positive events to one's own character but attribute negative events to external factors.

Response Set

A collection of all possible answers or outputs that can be given in response to a stimulus or question in a survey, test, or experiment.