The Correct Sequence of Formation from Decaying Swamp Plants to the Highest

question 19

Multiple Choice

The correct sequence of formation from decaying swamp plants to the highest grade of coal is:

• A) plants, peat, bituminous, anthracite, lignite.
• B) plants, lignite, bituminous, peat, anthracite.
• C) plants, peat, lignite, bituminous, anthracite.
• D) plants, lignite, peat, anthracite, bituminous.

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Definitions:

Recessive Gene

A recessive gene is one whose effects are masked in the presence of a dominant gene, and thus, its traits are only expressed in a homozygous state.

Dominant Gene

a gene that suppresses the expression of its allele, resulting in its trait being manifested in the organism.

Brown Eyes

A physical trait characterized by the presence of melanin in the iris, resulting in a brown coloration of the eyes.

Dominant-Recessive Genes Principle

A genetic principle in which the dominant allele masks the effect of a recessive allele in heterozygous pairs.