Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
The inheritance pattern of a gene over generations among humans is studied by the pedigree analysis. The character studied in the pedigree analysis is equivalent to
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Pedigree analysis provides information regarding inheritance of particular traits or diseases and using it we can predict the possibility of appearance of any traits in the new generation. The analysis chart is a visual tool for observing biological relationship within and between families and to understand the mode of inheritance of genetic diseases. Whereas quantitative trait, polygenic trait and maternal traits are not studied by pedigree analysis. In it, male is represented by a square and female by a circle. Affected individual (having certain genetic disorder) are presented as dark/solid filled figure. Non-affected individual is shown as empty figure.
The characteristic studied using pedigree analysis are similar to Mendelian trait and follow its inheritance pattern.
