In a Two-Factor Experiment with Two Levels of Factor a and 2

question 6

Multiple Choice

In a two-factor experiment with two levels of factor A and 2 levels of factor B, three of the treatment means are essentially identical and one is substantially different from the others. What result(s) would be produced by this pattern of treatment means?

• A) A main effect for factor A only
• B) A main effect for factor B only
• C) An interaction between A and B
• D) Main effects for both A and B, and an interaction

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Definitions:

Pronuclei

The nuclei of the sperm and egg before they fuse in fertilization, each containing a single set of chromosomes from the respective parent.

Diploid

Normal number of chromosomes (in humans, 46 chromosomes) in somatic cells.

Chromosomes

Long strands of DNA wrapped around proteins, located in the cell nucleus, which carry genetic information.

Pluripotent

The ability of a stem cell to differentiate into any type of cell in the body but not capable of forming an entire organism.