Diffraction could have caused it. This is where a wave encounters an obstacle or a slit. It happens when there is bending of light around the corners of an obstacle. It is often described as the interference of waves according to the Huygens–Fresnel principle.
Answer:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
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Red blood cells or white blood celss
<span>C. Transitional Fossil refer to the fossils which trains is the intermediary between it's ancestral group and derived descendant group,as a sign of evolutionary process</span>
