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 bone(s) are located all through the body. Over all there are over 270 bones in the body. The most important bone is the skull, because it protects the brain. Each bone hol â¦ ds a special structure to the body. Some bones are small and some bones are big.