What natural Resource did the people of Ghana trade in order to obtain salt ? 1. Gold
2. Wood
3. Diamonds
4. Silver

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