What is the difference in inheritance between boys and girls for sex linked traits?

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

In the water cycle , when does water undergo a chemical change