Fill in the blanks. genetics is the study of evolutionary mechanisms of continuous variation in phenotypic traits. Continuous, or quantitative, traits are frequently traits that depend on alleles at multiple loci. Additive effects of alleles or nonadditive interactions among alleles, also known as may influence trait expression. Also, the of alleles in response to the environment may affect the degree of their expression.

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Most enzyme names end in the