Use the Following Pedigree (Figure 14

question 14

Multiple Choice

Use the following pedigree (Figure 14.3) for a family in which dark-shaded symbols represent individuals with one of the two major types of colon cancer. Numbers under the symbols are the individual's age at the time of diagnosis.

Figure 14.3
-From this pedigree, how does this trait seem to be inherited?

• A) from mothers
• B) as an autosomal recessive
• C) as a result of epistasis
• D) as an autosomal dominant
• E) as an incomplete dominant

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Definitions:

Homogeneous Catalyst

A catalyst that is in the same phase (solid, liquid, or gas) as the reactants, facilitating the reaction uniformly.

Physical State

The physical state refers to the distinct forms that different phases of matter take on, primarily solid, liquid, and gas.

Reactant

A substance that undergoes chemical changes in a reaction.

Reaction Intermediate

A transient species formed during a chemical reaction that does not appear in the overall reaction equation.