if an F2 fly with normal wings is crossed with another F2 fly with normal wings, then what will the trait(s) of the offspring be?

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

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

The tubes transporting minerals and water upward are called ?