DNA Sibship Test - Sibling Genetics. Understanding Sibling Genetics. Each person is made up of billions of cells, and most of the cells in our bodies contain a full set of genetic information in the form of DNA (deoxyribonucleic acid). DNA acts much like a genetic blueprint, dictating how we look and develop.
The calories also vary depending on the type of bread, peanut butter and jam you select for your sandwich. A sandwich made with 2 slices of whole-wheat bread, 2 tablespoons of peanut butter and 1 tablespoon of jam comes to about 385 calories. The type of bread you use affects the calories in your sandwich.
Calories in Peanut Butter. The favorite choice for the term Peanut Butter is 1 tablespoon of Smooth Peanut Butter (with Salt) which has about 90 calories. Calorie and nutritional information for a variety of types and serving sizes of Peanut Butter is shown below. View other nutritional values (such as Carbs or Fats) using the filter below: