Two-point crossover is equivalent to performing two single-point crossovers with different crossover points. The current product range of Lincoln consists of sedans, crossovers, and SUVs. Production models in development have included convertibles, crossovers, and dedicated hybrids. The conductor rails have to be interrupted at level crossings, crossovers, and substation gaps. Double crossovers would turn into no recombination. Most audio crossovers use first to fourth order electrical filters. The heavy-rail subway lines were built in multiple segments with multiple crossovers. Two of the most notable cartoon crossovers consisted of characters from different companies. SWM now makes a range of crossovers and compact MPVs. These nodules are thought to correspond to mature genetic recombination events or "crossovers". Many of these crossovers have occurred between Nagraj and Super Commando Dhruva. The "Complete Epic" line collects large crossovers spanning several titles. During the filming of one of these crossovers, the production schedules of both shows overlapped. There have been several crossovers among other CBS Daytime shows. Using the above crossovers will often result in chromosomes that violate that constraint.