Genes when close together on a chromosome are known as:
Linkage
The correct option is A:
Explanation of the correct option:
Explanation of the incorrect options:
Option B:
A mutation is a change in the DNA sequence of an organism.
Option C:
The translation is the process by which the genetic code contained within a messenger RNA (mRNA) molecule is decoded to produce a specific sequence of amino acids in a polypeptide chain.
Option D:
Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).
Final answer: Genes when close together on a chromosome is known as linkage.