A Student Runs a Two-Factor Experiment to Test How Toaster

question 3

Multiple Choice

A student runs a two-factor experiment to test how toaster level and speed affect the level of crispness of a bagel.He chooses 3 levels of crispness (light,medium,dark) and 3 speeds (1 min,2 min,3 min) ,toasting one bagel at each condition.

• A)Crispness SS: 2 df; Speed SS: 2 df; SSE: 5 df
• B)Crispness SS: 2 df; Speed SS: 2 df; SSE: 4 df
• C)Crispness SS: 3 df; Speed SS: 3 df; SSE: 6 df
• D)Crispness SS: 2 df; Speed SS: 2 df; SSE: 6 df
• E)Crispness SS: 3 df; Speed SS: 3 df; SSE: 9 df

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Definitions:

Susceptible Genes

Genes that increase an organism's likelihood of developing a particular disease or condition when exposed to certain environmental factors.

Resistant Genes

Genes that provide organisms, whether plants, animals, or microbes, with the ability to resist the effects of antibiotics, pesticides, or environmental stressors.

Low-armor Eda Allele

A specific genetic variant associated with reduced body armor in certain fish populations, often used to study evolutionary adaptation and natural selection.

freshwater Stickleback

A small fish found in freshwater environments, often used in evolutionary biology studies due to its adaptability and variation.