Biology · Genetics

Given below are statements on concepts of genetics: A. The degree to which a particular gene is expressed in a phenotype is called ____________. B. A heritable change in gene expression that does not result from a change in the nucleotide sequence of the genome is called ________ change. C. The frequency with which a dominant or homozygous recessive gene is phenotypically expressed within a population is called ____________. D. An allele that results in the death of organisms that are homozygous for the allele is ___________. Which one of the following options represents the most appropriate sequence of terms to fill all the blank spaces in the above statements?