In a Very Large Population, a Quantitative Trait Has the Following

question 38

Multiple Choice

In a very large population, a quantitative trait has the following distribution pattern:
Figure 23.1
-If the curve shifts to the left or to the right, there is no gene flow, and the population size consequently increases over successive generations, then which of these is (are) probably occurring?
1) immigration or emigration
2) directional selection
3) adaptation
4) genetic drift
5) disruptive selection

• A)1 only
• B)4 only
• C)2 and 3
• D)4 and 5
• E)1, 2, and 3

Identify and understand various lung diseases and conditions caused by environmental factors and genetic predisposition.

Understand the respiratory system's anatomy and the functions of its components.

Know common medical abbreviations related to respiratory system disorders and assessments.

Understand the mechanics of breathing, including lung volumes and capacities.

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Definitions:

Discriminant Validity

The extent to which a test or experiment measures different constructs, demonstrating that the scales do not correlate too highly with measures from which they should differ.

Content Validity

The extent to which a test or tool accurately measures the entire scope of the concept it intends to measure.

Construct Validity

The extent to which a test or instrument accurately measures the theoretical construct or concept it is intended to measure.

Split-half Reliability

A measure of consistency where a test is divided into two parts and the scores for each half are compared to assess the test's reliability.