The City of Holy Cross had a population of 393 as of July 1, 2017. Holy Cross ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below. The primary coordinate point for Holy Cross is located at latitude 42.6007 and longitude -90.9961 in Dubuque County. The formal boundaries for the City of Holy Cross (see map below) encompass a land area of 0.31 sq. miles and a water area of 0 sq. miles. Dubuque County is in the Central time zone (GMT -6). The elevation is 1,207 feet.
The methylenetetrahydrofolate reductase (MTHFR) mutation test is used to detect two relatively common mutations in the MTHFR gene that are associated with elevated levels of homocysteine in the blood.he MTHFR mutation test may sometimes be ordered when a person has elevated homocysteine levels, especially when the person has a personal or family history of premature cardiovascular disease or thrombosis.
The 677 CâT polymorphism in the 5,10-methylenetetrahydrofolate reductase (MTHFR) gene interacts with folate status in determining elevated total plasma levels of homocysteine, a risk factor for coronary atherosclerotic disease (CAD).