Northeast Home Heating Oil Reserve (NEHHOR) inventories now classified as ultra-low sulfur distillate (15 parts per million) are not considered to be in the commercial sector and therefore are excluded from distillate fuel oil supply and disposition statistics in Energy Information Administration publications, such as the Weekly Petroleum Status ...
Nondisjunction is a term for a specific defect in the way the chromosomes of a cell separate. Nondisjunction can lead to genetic defects like Down's Syndrome.
Who Discovered Down Syndrome. Down syndrome is a chromosomal disorder that produces a set of mental and physical symptoms. It is caused by an extra copy of chromosome 21. In a person with Down syndrome there are three copies of the chromosome 21, one from the father, one from the mother and a third copy.The extra copy of this chromosome changes the development of the brain and body.Down syndrome affects about 1 in every 800 babies.r Down could not identify what caused the condition and it was not until 1959 that a Professor named Jerome JÃ©rome lejeune discovered That down syndrome was caused by a chromosomal. Irregularity he found that in people With down syndrome an extra chromosome was. present