A is the answer
a replication fork
It is false that constellations are only visible in certain seasons due to the revolution of the Earth toward the constellation.
Due to the increasing weather patterns, weather will become unpredictable and temperatures will rise which makes growing conditions worse
This might have been the cause of not being exposed to this specific pollen during his years in Chicago. Allergic reactions can develop when the stimuli presented even when its not contagious causes the immune system to trigger and act in a defensive stance. This delayed effect may have been the cause of the sudden expression of the immune system.
They attach to the chromosomes, line them up during metaphase, and pull them apart during anaphase
