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:
<span>involuntary responses are part of the autonomic system
</span>
They all have a true nucleus and complex cellular organelles and are large and eukaroyote
