The table above describes different types of chromosome disorders. which diseases are caused by an extra chromosome? a. down syndrome, turner's syndrome, klinefelter's syndrome b. edward's syndrome, down syndrome, klinefelter's syndrome c. cri-du-chat syndrome, turner's syndrome, klinefelter's syndrome d. edward's syndrome, cri-du-chat syndrome, turner's syndrome

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.