In Humans, the 22 Pairs of Chromosomes, Which Contain Most

question 7

Multiple Choice

In humans, the 22 pairs of chromosomes, which contain most of the genes that affect somatic characteristics such as hair color and skin pigmentation, are called

• A) alleles.
• B) heterozygous chromosomes.
• C) homologous chromosomes.
• D) autosomal chromosomes.
• E) homozygous chromosomes.

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Definitions:

Single-Case Experimental Design

Experimental design in which an individual or a small number of individuals are studied intensively; the individual is put through some sort of manipulation or intervention, and his or her behavior is examined before and after this manipulation to determine the effects.

Case Study

An in-depth investigation of a single individual, group, event, or community to explore causation in order to find underlying principles.

Manipulation

The act of controlling or influencing others in a deceptive or unscrupulous way, often for personal gain.

Laboratory Studies

Research conducted under controlled conditions within a lab, often to test hypotheses or understand mechanisms.