I will give brainiest!! How many variant gametes (in meiosis of a single cell) can be produced if we allow for crossing over on the longer of the two chromosomes? How many variants could be produced over time by a population of these cells undergoing meiosis and then fertilization?

What is the period of cell life when it is conducting

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.