LIFE SCIENCE

Detailed explanation-1: -Genetics is the scientific study of genes and heredity-of how certain qualities or traits are passed from parents to offspring as a result of changes in DNA sequence. A gene is a segment of DNA that contains instructions for building one or more molecules that help the body work.

Detailed explanation-2: -Genetics is the study of heredity in general and of genes in particular. Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and biotechnology.

Detailed explanation-3: -However, Austrian monk Gregor Mendel was unconvinced with traditional explanations of how traits were passed from one generation to another. Between 1856 and 1863, Mendel decided to try and work out the principles of heredity himself, with the assistance of the humble garden pea (Pisum sativum L.).