After reading this article you will learn about the genetic components of variation from a diallel analysis. The methods of estimating genetic components of variation and their proportions were given by B.I. Hayman in 1954. These components and proportions are as follows: D = Additive variation. F = Measures the relative frequency of dominant and […]
Genetic Components of Variation | Vegetable Breeding
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Variations in Chromosome Number to Plant and Animal
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In this article we will discuss about the Variations in Chromosome Number to Plant and Animal. Every cell in the body of living organism is provided with a packet of genetic material (the nucleus) which contains chromosomes. The number of chromosomes in the nuclei of a given species is fixed. Some species of plants and […]
Artificial Induction of Polyploidy
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The below mentioned article provides a study note on the Artificial Induction of Polyploidy. In recent years, a number of methods have been worked out to induce polyploidy in plants. Some of them are described below: 1. By Radiation: Polyploidy can be induced in plants by exposing their certain parts, such as vegetative buds and […]
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