When an Igneous Rock Is Melted and Then Re-Solidifies It

question 84

Multiple Choice

When an igneous rock is melted and then re-solidifies it turns into

• A) a meteorite
• B) a sedimentary rock
• C) another igneous rock
• D) a metamorphic rock

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Definitions:

Allele

A variant of a gene that results from mutation, with two or more such variants occupying the identical location on a chromosome.

Dominant

Referring to a trait, gene, or character that is more likely to express itself in the phenotype over another (recessive) form.

Recessive

Describes a gene that is expressed in offspring only when it is inherited from both parents, as opposed to a dominant gene.

Epigenetics

The study of heritable changes in gene expression that occur without changes to the DNA sequence itself.