Which of the Following Methods Would Give the Most Accurate

question 90

Multiple Choice

Which of the following methods would give the most accurate estimate of the age of a fossil?

• A) measuring the decay of radioisotopes in the fossil
• B) comparing the depth of the fossil in the Earth's crust to the depth of fossils of known ages
• C) comparing the chemical makeup of the fossil with that of the surrounding rock
• D) determining where on Pangaea the fossil was formed

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Definitions:

Epigenetics

The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences; the Greek prefix epi- means “on top of” or “in addition to.”

Gene Expression

The process by which information from a gene is used to synthesize a functional gene product, often a protein.

DNA Base Sequences

The order of nucleotide bases (adenine, thymine, cytosine, and guanine) in a DNA molecule that determines genetic information.

Gene Frequencies

The ratio of a particular allele to the total of all other alleles of the same gene in a given population.