Polygenic Trait Aspects. Polygenic trait molding is done mostly with the environment and genes. More than one gene determines these traits, with each gene giving a small, yet additive effect. Multifactorial traits do not exhibit Mendelian ratios, and are determined between genes, or a gene, and the environment.olygenic Trait Aspects. Polygenic trait molding is done mostly with the environment and genes. More than one gene determines these traits, with each gene giving a small, yet additive effect. Multifactorial traits do not exhibit Mendelian ratios, and are determined between genes, or a gene, and the environment.
Definition of Sibilance. Sibilance is a special case of consonance in which the repeated consonant sound is either s, sh, z, or any of the other recognized sibilant sounds. Sibilance occurs when the repetition of these specific consonants are in close proximity.
Origin of the name Sybil: Derived from the Latin Sibylla (a fortuneteller, a prophetess). The sibyls, women of ancient Greece and Rome, where mouthpieces of the ancient oracles and seers into the future.In the Middle Ages, they were believed to be receptors of divine revelation; thus Sibyl came into use as an acceptable given name.erived from the Latin Sibylla (a fortuneteller, a prophetess). The sibyls, women of ancient Greece and Rome, where mouthpieces of the ancient oracles and seers into the future. In the Middle Ages, they were believed to be receptors of divine revelation; thus Sibyl came into use as an acceptable given name.