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Which population has the greatest frequency of the Fy(a-b-) phenotype?
Data Collection Techniques
The methods employed to gather information for analysis in research, ranging from surveys to experiments.
Questionnaires
Structured sets of questions designed to gather information, opinions, or feedback from people for research, assessment, or analysis.
Attitudes
A settled way of thinking or feeling about something, typically reflected in a person's behavior or expressed opinions.
Experimental Group
A group in a research study that receives the treatment or intervention under investigation to assess its effects compared to a control group.
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