Chromosome behaviour in mitosis — practice question

Which processes take place in prophase of the mitotic cell cycle in an animal cell?

• Acentrioles replicate ✓, chromosomes condense ✓, spindle fibres form ✗
• Bcentrioles replicate ✓, chromosomes condense ✗, spindle fibres form ✗
• Ccentrioles replicate ✗, chromosomes condense ✓, spindle fibres form ✓
• Dcentrioles replicate ✗, chromosomes condense ✗, spindle fibres form ✓