A: A blood moon is a deep reddening of the moon caused by the Earth passing between the moon and the sun. During the period of the eclipse, light from the sun... Full Answer >
Sometimes, bones are the only accessible source of DNA, thanks to their structure, which preserves DNA comparatively well and for a long time. The main problems of DNA extraction from bones are DNA degradation due to environmental factors and the presence of soil-derived inhibitors like humus acids [1â10].
The talus bone (/ËteÉªlÉs/ ; Latin for ankle), astragalus /ÉËstraeÉ¡ÉlÉs/ , ÉËstrÃ¦É¡ÉlÉs or ankle bone is one of the group of foot bones known as the. Tarsus the tarsus forms the lower part of the ankle joint through its articulations with the lateral and medial malleoli of the two bones of the lower, leg the tibia and. fibuladditionally, it is also unusual in that it has a retrograde blood supply, i.e. arterial blood enters the bone at the distal end. In humans, no muscles attach to the talus, unlike most bones, and its position therefore depends on the position of the neighbouring bones.