Give at least three examples of types of mutations that would disrupt the process of mitotic chromosome segregation. that is, explain in what dna structures or in genes encoding what kinds of proteins you would find these segregation-disrupting mutations.

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 idea of spontaneous generation was disproved by in a experiment involving jars of meat

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone