Like trisomy 21, mosaic Down syndrome is not inherited. It occurs as a random event during cell division early in fetal development. As a result, some of the body's cells have the usual two copies of chromosome 21, and other cells have three copies of this chromosome.
1 An average cost for a cubic yard of concrete is $75 to $125, depending on how much is needed and local prices. 2  Labor costs to pour and form concrete run somewhere around $3.50 to $7.00 per square foot.3  One homeowner paid $11,000 for a crawl space for a 1,500 square foot home. An average cost for a cubic yard of concrete is $75 to $125, depending on how much is needed and local prices. 2  Labor costs to pour and form concrete run somewhere around $3.50 to $7.00 per square foot.
This Site Might Help You. RE: average cost of labor and materials for pouring concrete? I need about 4.75 yards of concrete poured for a small parking pad, patio addition and sidewalk (to widen it).est Answer: A yard of concrete will cover about 80 square feet when poured about 4 inches thick. So you have about 380 square feet. That is about $4.73 a square foot.