Penetrance specifically refers to the expression of lethal genes in heterozygotes. true or false

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Across of blue x blue (both heterozygous) would result in