Why Is It Important to Understand the Overall Relationship Between

question 9

Multiple Choice

Why is it important to understand the overall relationship between genes, proteins, and chemical reactions in cells?

• A) Many changes in the morphology or behavior of organisms can be linked to variations in the proteins and genes that build them.
• B) Genetic effects on the biology of organisms account for as much as 10% of the variation we see from species to species.
• C) Although most evolutionary change is extracellular, it is sometimes influenced by genetic systems.
• D) Only by controlling these relationships can we treat most disease symptoms.

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Definitions:

Random Error

Variability in data that is caused by unpredictable and unavoidable fluctuations in the measurement process.

Linearly Correlated

A statistical relationship between two variables in which changes in one variable are associated with proportional changes in another variable along a straight line.

Normally Distributed

Describes a symmetric, bell-shaped distribution of data where the mean, median, and mode are equal, prevalent in many natural phenomena.

Coefficient of Determination

A statistical measure that explains the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.