People have two copies of most genes, one copy inherited from each parent. In some cases, however, the number of copies variesâmeaning that a person can be born with one, three, or more copies of particular genes. Less commonly, one or more genes may be entirely missing.ften, gene mutations that could cause a genetic disorder are repaired by certain enzymes before the gene is expressed and an altered protein is produced. Each cell has a number of pathways through which enzymes recognize and repair mistakes in DNA.
Merlot is a dark blue-colored wine grape variety, that is used as both a blending grape and for varietal wines. The name Merlot is thought to be a diminutive of merle, the French name for the blackbird, probably a reference to the color of the grape.erlot is also one of the most popular red wine varietals in many markets. This flexibility has helped to make it one of the world's most planted grape varieties.
1 Beaujolais â this is a fruity French wine made with Gamay grapes. 2  Bordeaux-a French red wine including Merlot, Cabernet Sauvignon and Cabernet Franc grapes. 3  Burgundy-a French wine made from Pinot Noir grapes. 4  Cabernet Franc â an elegant purplish red wine that is most often seen blended with other reds. Beaujolais â this is a fruity French wine made with Gamay grapes. 2  Bordeaux-a French red wine including Merlot, Cabernet Sauvignon and Cabernet Franc grapes. 3  Burgundy-a French wine made from Pinot Noir grapes. 4  Cabernet Franc â an elegant purplish red wine that is most often seen blended with other reds.