I have only heard a few phrases for spine
Backbone
Vertebrae (vertebral column)
Spinal column
Asexual reproduction im thinking
None of the above because they are non pollutant
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:
