Genetics is the study of genes, heredity, and genetic variation in living organisms. It is generally considered a field of biology, but it intersects frequently with many of the life sciences and is strongly linked with the study of information systems. The father of genetics is Gregor Mendel, a late 19th-century scientist and Augustinian friar. Mendel studied 'trait inheritance', patterns in the way traits were handed down from parents to offspring. He observed that organisms (pea plants) inherit traits by way of discrete units of inheritance.
Razors come in two varieties, dual bevel or single bevel. They are identified by whether both sides are angled, which creates a side-view like an isosceles triangle, or just single-angled. The single-angled is straight one one side and angled on the other. When talking about sharpening blades to a particular angle, the sharpening needs to occur equally to both sides of the dual-angle blade. For instance, the ideal shave is achieved with a 15 to 20 degree bevel angle.
1 Cut bevels steeper than 45 degrees on a tablesaw. 2  None of the techniques you can use to cut them with a circular saw are particularly safe or accurate with angles of more than 45 degrees. 3  Make sure your blade is sharp, and replace it if it isn't. 4  If you cut with a dull blade, you'll chip, gouge or burn the wood.