A system is a group of organs that work together and provide an organism with an advantage for survival. It is the most complex organization in your body and the final level of the progression from cells to tissues to organs and then systems.
Through the carbon cycle and ocean acidification
Since one of two ( or both ) parents carry the CF gene found in chromosome 7, that can therefore leave the child suffering from Cystic Fibrosis.
Answer:
Because each duplicated chromosome consists of two identical sister chromatids joined at a point called the centromere, these structures now appear as X-shaped bodies when viewed under a microscope. Several DNA binding proteins catalyze the condensation process, including cohesin and condensin.
Explanation: