It would be most accurate to say crossing over happens... Group of answer choices In cells in the reproductive organs before sperm or eggs are created In sperm cells or egg cells after they have been created but before fertilization Within any cell throughout the body after DNA is replicated and the cell is ready to divide Within a fertilized egg after the sperm DNA meets the egg DNA

raits that your monster will have. the dna code for each trait is given, so you will need to go through the process of transcription and translation to determine what protein is being made and then match that with the corresponding trait. you may even include a picture of your monster if you are feeling creati

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.