Some People Can Roll Their Tongues into Tubes and Some

question 3

Multiple Choice

Some people can roll their tongues into tubes and some can't.Tongue-rolling ability and inability to tongue roll are two versions of the same gene.Each version is called

• A) a genotype.
• B) a phenotype.
• C) a reaction range.
• D) an allele.

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Definitions:

Two Groups

Refers specifically to an experimental design wherein participants are divided into two distinct groups, often an experimental group and a control group.

Separate Control Group

A group in an experiment that is not exposed to the treatment or intervention and is used as a benchmark to measure the effects of such treatment.

Regression Toward the Mean

The statistical phenomenon that high or low scores naturally tend to move closer to the average over time.

Extreme Scores

Values in a data set that are significantly higher or lower than the majority of the other scores, potentially skewing results.