Regarding inversion, which of the following statements is incorrect?

• A. Individuals carrying large inversions are more likely to produce abnormal gametes.
• B. The phenomenon of crossing over within the inverted region during meiosis 1 is the underlying cause of gamete abnormality.
• C. Crossing over in inversion loops results in deletion and duplication.
• D. If a crossover occurs within the inversion loop, the probability of producing abnormal chromosomes is very rare.

Answer: (D)