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.
Â· just now. 1  Down syndrome is caused by a problem with a babyâs chromosomes that happens long before the baby is born. 2  Down syndrome is a chromosomal disorder where an extra copy of chromosome 21 is made, the term is called trisomy 21. 3  It is caused by trisomy, having 3 of the same chromosomes (chromosome 21) One usually have 2 of the same chromosomes, but down syndrome has 3. i a chromosomal disorder caused by the presence of all or part of an extra 21st chromosome. one extra chromosome.