Extranuclear Inheritance Was First Described by Carl Correns Based on His

question 39

Multiple Choice

Extranuclear inheritance was first described by Carl Correns based on his observations of Mirabilis jalapa (the four o'clock plant) .M.jalapa can have either white,variegated (white and green) or green leaves.Pollen from a variegated M.jalapa plant is used to fertilize a white M.jalapa flower.Which of the following phenotypes would you expect to see in the offspring of this cross?

• A)White
• B)Green
• C)Variegated
• D)White and variegated
• E)White,green,and variegated

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Definitions:

Third Variable Assumption

The idea in research that a correlation between two variables might be explained by a third factor that affects both of the original variables.

Scientific Method

A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis formulation, experimentation, and conclusion.

Psychological Trait

A characteristic way of thinking, feeling, or behaving that is consistent over time and situations and distinguishes one individual from another.

Variables

Elements, features, or factors that can change or vary within a study or experiment, potentially influencing the outcomes.