Answer: the phloem
Explanation: Carbohydrates are mainly transported in the phloem in the form of sucrose. The cell membrane of the sieve cells contains pump proteins that actively convey sucrose into the vascular pathways.
Answer:
both parents (sperm and egg) combine chromosomes during mieosis to create two identical daughter cells with that only one of the daughters cells is fertile
so the daughter cells differ because only one is fertile