A Recessive Allele Is One

question 84

Multiple Choice

A recessive allele is one

• A) whose effect is masked when paired with a dominant allele.
• B) that produces no effect when present in the homozygous condition.
• C) that must be lethal in the homozygous condition.
• D) that appears only in a heterozygote.
• E) that is not expressed as strongly as a dominant allele.

Understand the biological basis and stages of prenatal development.

Recognize the continuous vs. stages debate within developmental psychology.

Identify and understand the reflexes and behaviors of newborns.

Distinguish between the influences of nature and nurture on human development.

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Definitions:

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world, often used in research, testing, and evaluation.

Instrument Measures

Tools or devices designed to assess, quantify, or gauge specific variables or conditions, often for research or evaluation purposes.

Single-subject Designs

Research designs focusing on the response of a single subject to a variable or treatment, allowing for detailed observation and analysis of individual effects.

Goal Attainment Scaling

A method used to set and measure personal or project goals, often involving specifying clear, measurable indicators of success.