46 chromosome in 1 human gets 23 from each parent
In June 27, 1954. The world's first power plant was opened. In Obninsk, outside of moscow.
In 1868 a hydro electric power station was designed and built by Lord Armstrong at Cragside, England. It used water from lakes on his estate to power Siemens dynomos. The electricity supplied power to lights, heating, produced hot water, ran an elevator as well as labor-saving devices and farm buildings.
Then in 1870 generators were invented to produce power on a commercial scale for industries.
But then in 1882 in Appleton Wisconsin, US DC power, 12.5 kW. This was the first Edison ydroelectric station. It powered Van Depoele's early electric trolleys later in 1886.
Then in 1882 in New York City - Edison Illuminating Company builds New York's first power plant at the Pearl Street Station.
My Answer: <span>When only a small amount of DNA is available, such as at a crime scene.
Hope I helped! :D</span>
