Everything you need to know about DNA markers ! Q. 1. What is marker character? Ans. Any property of an individual showing heritable variation is referred to as a character. It includes morphological, physiological and biochemical properties in plants. Plant characters are of two types viz. qualitative (governed by one or few genes) and quantitative (governed by several genes). Those [...]
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This article provides an experiment on DNA. As early as 1848, Wilhelm Hofmeister, a German botanist, has observed that cell nuclei resolve themselves into small, rod-like bodies during mitosis. Later, these structures were found to absorb certain dyes and so came to be called chromosomes (colored bodies). In 1869, Friedrich Miescher, a Swiss physician, isolated a substance from cell nuclei [...]