Which of the following statements about chromosomal inversions is NOT true?
A、The individual organisms have neither lost nor gained any genetic material.
B、An inversion can break a gene into two parts and separate each to different locations.
C、The expression of the gene may be altered due to the positional effect.
D、The inversion mutations will not likely have pronounced phenotypic effects since there is no loss of genetic material.
E、Individuals heterozygous for inversions may end up producing abnormal gametes.