Vial 2: Flies with the aldox genotype (negative), about 15 flies, (minimum of 6, 3 of each sex). Vial 3: 20â30 flies (minimum of 10 males and 10 females) from a mating between a female from a. stock homozygous for the aldox allele and a male from a stock homozygous for the aldox+ allele.
Definition: a cost of materials or supplies used, or an aggregate of such costs. A material cost may be either a âdirect material costâ or an âindirect material costâ depending on whether it is a direct cost or an indirect cost. An alternative form of the term is âmaterials costâ. material cost may be either a âdirect material costâ or an âindirect material costâ depending on whether it is a direct cost or an indirect cost. An alternative form of the term is âmaterials costâ.
DEFINITION of 'Historical Cost'. A measure of value used in accounting in which the price of an asset on the balance sheet is based on its nominal or original cost when acquired by the company. The historical-cost method is used for assets in the U.S. under generally accepted accounting principals (GAAP).Next Up.ased on the historical-cost principle, under U.S. GAAP, most assets held on the balance sheet are to be recorded at the historical cost even if they have significantly changed in value over time.