Mendel Accounted for the Observation That Traits Which Had Disappeared

question 17

Multiple Choice

Mendel accounted for the observation that traits which had disappeared in the F1 generation reappeared in the F2 generation by proposing that ________.

• A) new mutations were frequently generated in the F2 progeny, "reinventing" traits that had been lost in the F1
• B) the mechanism controlling the appearance of traits was different between the F1 and the F2 plants
• C) traits can be dominant or recessive, and the recessive traits were obscured by the dominant ones in the F1 generation
• D) members of the F1 generation had only one allele for each trait, but members of the F2 had two alleles for each trait

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Definitions:

Health Maintenance

Ongoing actions and lifestyle choices aimed at preserving physical and mental wellness, preventing diseases, and prolonging life.

Prevention Activities

Actions undertaken to prevent the onset of disease or injury, typically involving education, lifestyle changes, and environmental adjustments.

Health Promotion

The process of enabling people to increase control over, and to improve, their health, through lifestyle changes and social interventions.

Sense of Coherence

A concept used in psychology to describe an individual's ability to perceive the world as comprehensible, manageable, and meaningful.