Inversion Heterokaryotypes Are Often Characterized as Having Reduced Crossing Over

Multiple Choice

Inversion heterokaryotypes are often characterized as having reduced crossing over and reduced fertility.Assume that you were examining a strain of organisms you knew to be inversion heterokaryotypes and saw a relatively high number of double chromatid bridges extending between anaphase I nuclei,as indicated in the following drawing.What is the product of this type of inversion loop?

A) two acentric fragments and two dicentric chromosomes
B) two chromosomes with deletions and two acentric fragments
C) one acentric fragment,one dicentric chromosome,and two wild- type chromosomes
D) two chromosomes with deletions and two with duplications
E) four wild- type chromosomes