When Geologists Study Metamorphism in the Laboratory, Which Factor Would

question 54

Multiple Choice

When geologists study metamorphism in the laboratory, which factor would they probably not vary?

• A) rock composition
• B) temperature
• C) volume available for reaction to occur
• D) abundance and composition of fluid

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Definitions:

Epigenetic Mark

Alterations to DNA and histone proteins that influence gene activity without changing the DNA sequence itself.

Gene

A unit of heredity made up of DNA that is passed from parents to offspring and determines some characteristic of the offspring.

Fraternal Twins

Twins formed from the fertilization of two separate eggs by two different sperm cells, resulting in genetically distinct individuals.

Monozygotic

Refers to twins that are genetically identical, resulting from a single fertilized egg splitting into two.