What accounts for genetic material from each of an organism's parents being present in sperm and egg cells?

a) regeneration of new cells

b) crossing over during mitosis

c) cytokinesis of new cells
2

d) crossing over during meiosis

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.