Seasons of GriefAre you going through a season of grief where you are struggling to grieve?
Top Music Videos
#484 Please Sigh...A Story About Point Mutations
A note from a teacher said: Progress reports will be coming out this Friday. Please sigh, and return by next Monday. This shows the difference in meaning a point mutation can make in a DNA molecule. Changing one nucleotide can change the meaning drastically. This poses a huge problem for evolution.