Suppose 2 alleles on one homologous chromosome are c and d and the other homologous chromosome has alleles c and d. how many types of gametes would occur without crossing-over

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

Which of these definitions have been paired with the correct type of cell?