Sperry's Initial Version of the Chemoaffinity Hypothesis of Axon Growth

question 54

Multiple Choice

Sperry's initial version of the chemoaffinity hypothesis of axon growth has difficulty accounting for

• A) the results of Sperry's own eye-rotation regeneration experiments.
• B) the ability of axons to grow to their correct targets.
• C) the ability of axons to follow exactly the same circuitous route to their target in every member of a species.
• D) all of the above
• E) both A and B

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Definitions:

Two-factor Factorial Design

An experimental setup that involves two independent variables and examines their interaction as well as the effect of each variable separately on the dependent variable.

Total SS

The total sum of squares, which quantifies the total variation in a dataset by measuring the sum of the squared differences from the mean.

Two-way Analysis of Variance

A statistical technique that evaluates the impact of two categorical independent variables on a continuous dependent variable.

Background Music

Music that is played in the background of a setting or environment, not meant to be the focal point.