Weathering and erosion. Weathering is the process where rock is dissolved, worn away or broken down into smaller and smaller pieces. There are mechanical, chemical and organic weathering processes.
What is trinucleotide repeat disorders? A class of genetic diseases that causes expansion of the number of trinucleotide (three base repeats of CG-rich units) within a gene sometimes associated with deleterious consequences.
A signature feature of Huntingtonâs disease is the expansion of trinucleotide CAG repeats in the Huntingtin (HTT) gene. Although weâve named a few, there are of course many more diseases associated with mutations that may have originated with an error in DNA replication.