What Does "Phenotype" Refer To

question 12

Multiple Choice

What does "phenotype" refer to?

• A)hidden characteristics
• B)cognitive influences
• C)observable characteristics
• D)environmental influences

Recognize the impact of study design on the validity of conclusions.

Identify key elements of experimental design, such as randomization, blinding, and control.

Understand the concept of and identify examples of confounding and lurking variables.

Grasp the importance of sample selection in gathering data.

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Definitions:

Nucleotides

The basic building blocks of nucleic acids (DNA and RNA), consisting of a sugar, a phosphate, and a nitrogenous base.

Amino Acids

The organic compounds that combine to form proteins, which are essential for the structure, function, and regulation of the body's tissues and organs.

Phosphate Groups

Phosphate groups consist of a phosphorus atom bonded to four oxygen atoms and are critical components of many biological molecules, including DNA, RNA, and ATP.

Base-Pairing Rules

The base-pairing rules describe how nucleotides form pairs in DNA and RNA through hydrogen bonding: adenine pairs with thymine (uracil in RNA) and cytosine pairs with guanine.