The is very useful for examining live specimens found in drops of water or thin slices of tissue such as skin or muscle.
a. compound light microscope
b. electron microscope
c. scanning electron microscope
d. transmission electron microscope

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked