Please answer the questions

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

The smallest parts of these that retain their original properties are called

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.