Simply put, a genetic mutation comes from a change in the DNA; this change can result from an extrachromosomal element, an alteration of the inherited nucleotide...
The basic building block of nucleic acids, such as DNA and RNA. It is an organic compound made up of nitrogenous, a sugar, and a phosphate group (http://www.biology-online.org/dictionary/Nucleotide)
Some cells have to give up reproduction
first of all, wind energy is a renewable source of energy and fossil fuels is a non renewable
the method of obtaining them is also different i.e , wind energy can be obtained when wind turns turbines , and fossil fuels are burned to give energy...
It is not it something like sand because it would keep the fossil preserved.
Answer:
The male reproduction system.
