Which of the following statements about chromosomal inversions is NOT true?
选项：

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.