Here is an essay on ‘Genetic Variation’ for class 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Genetic Variation’ especially written for school and college students. Essay on Genetic Variation Essay # 1. Meaning of Genetic Variation: Evolution requires genetic variation. If there were no dark moths, the population could not have evolved from mostly light [...]
Here is an essay on ‘Evolutionary Theory’ for class 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Evolutionary Theory’ especially written for school and college students. Essay # 1. Introduction to Evolutionary Theory: Biology came of age as a science when Charles Darwin published “On the Origin of Species.” But, the idea of evolution wasn’t new [...]
Life evolved in the sea. It stayed there for the majority of the history of earth. The first replicating molecules were most likely RNA. RNA is a nucleic acid similar to DNA. In laboratory studies it has been shown that some RNA sequences have catalytic capabilities. Most importantly, certain RNA sequences act as polymerases — enzymes that form strands of [...]