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.
Plan Your Visit. A fog layer separates over a waiting tour as cool cave air meets summer swelter at the Historic Entrance. Your visit to Mammoth Cave National Park can include cave tours, surface hikes, canoeing on the Green River, picnicking, horseback riding, bicycling, camping and more. These pages provide everything you need to begin your journey of exploration in and around the world's longest known cave.