What is the "official" name for the x and y chromosomes?

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

In the practice of science, this type of reasoning is used to develop explanations.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12