Genetics : is the branch of science which deals with Heredity and Variation. \r<br>\r<br>Heredity: is the transfer of charers from one generation to other generation. \r<br>\r<br>Variation: is described as the changes imbibed in the offspring (children) and siblings (brothers and sisters) of a Biparental (Male and Female) ual reproduction.\r<br>\r<br>Pre-mendelian views:\r<br>\r<br> Moist vapours theory by Pythagoras (580-500 B.C) – different part of the body produces moist vapors which take part in the formation of embryo parts.\r<br> Fluid theory by Impedances (504-533 B.C) and reproductive blood theory by Aristotle (384 – 322 B.C)\r<br> Preformation theory – Malpighi (1673) believed that homunculus or miniature individual is present in sperm of egg.\r<br> Theory of pangenesis by Darwin which believes that every cell of the body produces a gem mule of pan gene that contains both parental and acquired charers . The gem mules passes eats gametes and hence into embryo.\r<br> Premendelian theories were also called as theories of blending inheritance because they believed that traits of the two parents got blended in the offspring.\r<br>\r<br>Get Full Course To Study Offline through our website: \r<br>\r<br>Call Us at : (+91)9826023696, \r<br>Mail us at :info@m-learning.in
