Which statement is accurate? a. a gene consists of two traits. b. an allele is one form of a gene. c. most alleles have many genes. d. an allele is made up of two genes.

How do you date a sample of rock that you suspect as being one of the earliest on earth

How does human environment effect the biosphere

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?