Which statement about the relationship between an organism's traits and its genes is true? A.
Genes code for proteins that determine an organism's traits.
B.
Genes code for the DNA that determines an organism's traits.
C.
An organism's genes are a direct result of its inherited traits.
D.
Traits code for the proteins that determine an organism's genes.

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

The body is protected against harmful flu viruses by

What processes would you expect to be key in the production of yogurt ?