this chromosome has two chromatids, joined at the centromere. what process led to the formation of the two chromatids?

Which of these statements are true about scientific theories and hypothesis

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

As a small change in a person's dna can cause a genetic disorder