The sudden change in a gene structure or chromosome number in an organism likely to cause an inheritable change in the phenotype is known as? By: Sunday|Published on: May 14|Categories: Biology WAEC| 0 comments A. migration B. mutation C. mitosis D. meiosis Correct Answer: Option B B. mutation Users Also Read These:The inheritable characters that are determined by a…The change of the direction of a wavefront as a…The process which ensures that the chromosome number…When a gene is expressed in the phenotype in a…A change in the environment of an organism is termed?SEE ALSO Xerophytes have the following characteristics aimed at conserving water except?