Which Nutrient Would Be Supplied in Much Greater Amounts from Whole-Grain

question 50

Multiple Choice

Which nutrient would be supplied in much greater amounts from whole-grain bread versus enriched bread?

• A)zinc
• B)folate
• C)riboflavin
• D)thiamin
• E)sodium

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Definitions:

Dominant Gene

A gene that expresses its phenotype over another gene's phenotype when the two are paired together in an organism.

Recessive

Describes a genetic trait that is expressed in an organism’s phenotype only when two copies of the gene are present, one from each parent.

Recessive Genes

Genetic traits that require two copies (one from each parent) to be expressed in the offspring. If only one copy is present, the trait will not manifest because it is masked by a dominant gene.

Dominant Genes

These are genes that are expressed over other genes, called recessive genes, in determining certain traits in an organism.