Examlex
Which of the following was NOT true of the South and slavery in nineteenth-century America?
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.
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