C Chromosomes break at centromeres,and sister chromatids move to opposite ends of the cell.
Answer:
Groundwater is transported through aquifers because of two main reasons: gravity and pressure. In unconfined aquifers, which we concentrate on because they are more likely to be contaminated, water always flows from high points to low points because of gravity.
Explanation:
Bloodborne pathogen can be transmitted when blood or body fluid from an infected person enters another persons body via needle-sticks, himan bites, cuts, abrasions etc...
The genetic drift is a major factor in evolution when there is lower gene flow