The section of dna is transcribed to produce a strand of mrna

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur

Can yall plz me on this question im having a hard time think about it