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

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

What is the key to the recognition of codominance?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.