100 Points & Brainliest Answer!! {Punnet Squares (3 Questions Only)} -This is an assignment for child development, but I feel this is more of a biology-type thing. I have no idea how to deal with Punnet Square‘s and we haven’t learned anything about them this year. So if you could help, I’d appreciate it so much!

What happens when the cell copies its chromosomes

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.