The CFTR gene, on human chromosome 7, encodes an ion channel protein that regulates chloride ion concentrations. Mutations that disrupt CFTR function may lead to a disease called cystic fibrosis. How many copies of the CFTR gene are present in a cell that is... In G1 of the cell cycle
In G2 of the cell cycle
In a sperm cell
In prophase I of meiosis In a primary spermatocyte In a second polar body
In a recently fertilized zygote

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

links? do you have a link? i don't see anything?

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.