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.
types of wine a z wine varietals simply means wine made from a specific winegrape varietal wines in the united states are often named after the dominant grapes used in making the wine cabernet sauvignon merlot chardonnay riesling pinot noir and chenin blanc are examples of grape varieties when a wine bottle shows a varietal designation on the label like merlot it means that the wine in the bottle is at least 75 % that grape variety at least 75 % merlot for example showing a varietal on the label tells the consumer what to expect from the flavor of the wine