Counting up spores and asci from Sordaria, you find there are 24 asci that have a 4:4 pattern of spores and 36 asci that have a pattern of 2:4:2 or 2:2:2:2. The percent recombination is and the map units between centromere and pigment gene is .

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.

What are they five steps of cloning?

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?