NEED HELP RIGHT AWAY Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a They keep ova in the primordial germ stage until maturity. b They jump-start the process of ova formation. c They eliminate excess chromosomes. d They provide massive amounts of cytoplasm and organelles to the egg cell. e They reduce the number of eggs available for fertilization f Both a and b. g Both cand d..