In this article we will discuss about DNA as a genetic material. Transforming Principle: Frederick Griffith in 1928, carried out a series of experiments with Streptococcus pneumoniae (a bacterium that cause pneumonia). He observed that when these bacteria (Streptococcus pneumonia) are grown on a culture plate, some of them produce smooth, shiny colonies (S-type), whereas, the others produce rough colonies [...]
In this article we will discuss about:- 1. Experimental Proof of Replication of DNA 2. Enzymes for DNA Replication 3. Process of Replication of DNA. In addition to the double helical structure of DNA, Watson and Crick also proposed a scheme for DNA replication. According to this scheme, the two strands of double-helix would separate and act as a template [...]
In this article we will discuss about Mendel’s law of inheritance. Mendel’s Experiment: Gregor Johann Mendel conducted hybridisation experiments on garden pea (Pisum sativum) for seven years (1856-1863) and proposed the laws of inheritance in living organisms. He is also known as Father of Genetics. Mendel Experimental Material: He selected garden pea plant as a sample for following reasons: (i) [...]