Tiny Vessels that take blood to cells and perform gas, nutrients, and hormone exchanges are: A: Capillaries
B: Arteries
C: Lymph Nodes
D: Veins

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