What is the difference between a gene mutation and a chromosomal mutation?

Gene mutation most frequently occurs during the life of an organism opposed to development. Gene mutation directly inhibits or expresses a specific trait such as hair or eye color. While a chromosome mutation effects a set of genes, such as an extra 21st chromosome results in a set of traits that is quite common amongst all individuals with down's syndrome. 

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

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