Heredity and hereditary changes You know that heredity is the transfer of biological characters from one generation to another via Gene's. Johann Gregory mendel is pioneer of the modern genetics. Around the period of 1886 ,it took a long time for him to understand the conclusions of his research about heredity. In 1901,the reason behind the sudden changes were understood due to the mutational theory of hugo de vies. Meanwhile in 1902 ,Walter and sutton observed the paired chromosomes in the cells of grasshopper; until then it was not known to anyone.Research started in the direction of finding the nature of genetic material when it was proved that genes are carried via chromosomes. Through which 1944,trio of scientists Ostwald avery ,Mclyn mc cathy and colin MacLeod proved that except viruses ,all living organisms have DNA as genetic material. In 1961,the French geneticists Francois Jacob and Jack monald proposed a model for process of protein ...
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