Which statements describe crossing over? Check all that apply.

Crossing over is the process whereby homologous chromosomes are pulled to opposite poles of the cell.

Explanation: dont know if thats one of the answers but its something i would put hope it helps some (:

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.