________ and ________ Are the Two Birth Defects That Occur

question 28

Multiple Choice

________ and ________ are the two birth defects that occur when the neural tube fails to close 27 days after conception.

• A) Down syndrome; Tay-Sachs disease
• B) Trisomy 13; trisomy 18
• C) Spina bifida; anencephaly
• D) ADHD; autism

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Definitions:

Elderly People

Individuals of an advanced age, often considered to be those 65 years and older, facing unique health and social challenges.

Science Goal

An objective or outcome that a scientific study or experiment aims to achieve, such as testing a hypothesis, discovering new facts, or validating a theory.

Blood Alcohol Level

The concentration of alcohol in one's bloodstream, commonly used to measure intoxication for legal and medical purposes.

Operational Definition

A clear, precise description of a variable in terms of the procedures used to measure or manipulate it in a specific study.