DNA condensation of the duplicated chromosomes during cell division (mitosis or meiosis) results either in a four-arm structure (pictured to the right) if the centromere is located in the middle of the chromosome or a two-arm structure if the centromere is located near one of the ends.
Boyds Cave is a 0.7 mile moderately trafficked loop trail located near Bend, Oregon that features a cave and is good for all skill levels. The trail is primarily used for hiking, walking, and horses and is accessible year-round. Dogs are also able to use this trail but must be kept on leash. 0.7 miles 49 feet Loop.
Mammoth cave system is the largest or longest natural cave system in the world as well as in North America or USA. Situated in Kentucky, USA, this longest cave having 567 km of length.It is centered around the Green River, with a tributary and with 145 miles of passageways.lso it is regarded as the biggest or largest cave in Europe or EU. Jewel Cave it is the third longest cave in the world, with 108 miles of mapped passageways. It is located in South Dakotaâs Black Hills (USA). Jewel cave is open year round.