This variable is always found on the Y axis of a graph . The type of sugar found in DNA . The process of duplicating the DNA molecule . A segment of DNA on a chromosome that controls a particular trait . The cells composing the nervous system .
Most mutations are .
This type of mutation occurs only in sex cells . Uncontrolled cell division is . The hollow tube in cordates that becomes the spinal cord and brain in vertebrates . Which of these is NOT a part of the axial skeleton of vertebrates . Which of these is a class of fish .