Polygenic inheritance. Definition. noun. A non-Mendelian form of inheritance in which a particular trait is produced by the interaction of many genes.Supplement.Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many genes in contrast to monogenic inheritance wherein the trait results from the expression of one gene (or one gene pair). non-Mendelian form of inheritance in which a particular trait is produced by the interaction of many genes.
Celtic Thunder, the singing group from Ireland, are a composition of six male soloists who perform both solo and ensemble numbers.
I recently heard a clap of thunder so loud it made me scream. Mark Baines, Niles, Ill. Dear Mark, Thunder is the sound generated by lightning and is the result of the shock wave initiated by the explosive expansion of a column of air as it is heated to more than 50,000 (degrees) F by a lightning stroke.