Which mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids? select one of the options below as your

a. crossing over
b. independent assortment
c. random fertilization

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

a. the production of carbon dioxide through the process of photosynthesis