dbp080205
contestada

A. Crossing over decreases genetic diversity
B. During crossing-over, bits and pieces of the homologous chromosomes are exchanged
C. Homologous chromosomes move to opposite ends of dividing cells
D. The DNA of the diploid cell is copied​

A Crossing over decreases genetic diversityB During crossingover bits and pieces of the homologous chromosomes are exchangedC Homologous chromosomes move to opp class=