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.
1 Pouring a concrete slab/flooring can cost $5 to $14 per square foot. 2  If you want to have a professional build the kit for you, labor charges can vary anywhere from $4,000 to $10,000. 3  This will depend on the size and complexity of the barn. This can be an additional $1 to $4 per square foot. 2  Pouring a concrete slab/flooring can cost $5 to $14 per square foot. 3  If you want to have a professional build the kit for you, labor charges can vary anywhere from $4,000 to $10,000. 4  This will depend on the size and complexity of the barn.