Question

22. How are chromatin.chromatid and chromosoms related to each other?
23. Describe different types in xylem and phlorm
24. Draw well labelled diagram of various type muscles found in human body.​

Answer 1

Explanation:

When a cell starts to divide, the tangled mass of chromatin condense into long threads and finally, rod-like bodies called chromosomes. A chromatid is one copy of duplicated chromosome which is generally joined to the other copy by a centromere.