<h2>Answer</h2>
If a mutation occurs in a gene, the structure of a <u>Protein</u> within the organism may be changed.
<h3>#CarryOnLearning</h3>
— WatanabeHaruto
Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom.
germ cells
it occours in the germ cells
The correct asnwer to your question - why would a group of antelopes leave the herd for search of a better grassland is an example of emigration - B.
These antelopes would emigrate to a certain grassland and be immigrants in that grassland. This has to be distinguished.