B. an allele frequency changes in a population.
Close to the correct answer on this one.. You have the correct ratios but the question is asking for genotype ratio which is the letter representations BB, Bb, bb. Phenotype is the visible physical traits like yellow, blue, green.
answer
1 BB: 2 Bb : 1 bb
Mitochondria if a plant and animal cell
Radi Carry developed a theory named "<span>Spontaneous generation". This theory assumed that living creatures can be generated from non-living things and he used this theory in order to explain the origin of flies.
He carried out another experiment with three jars to check that bad air did not cause any flies.</span>
True. Since electron microscopes use electrons instead of light, it can magnify up to 500,000 times of it’s actual size.
