Have you ever thought why an elephant always gives birth only to a baby elephant and not some other animal? Or why a guava seed forms only a guava plant and not any other plant?
These and several related questions are dealt with, scientifically, in a branch of biology known as Genetics. This subject deals with the inheritance, as well as the variation of characters from parents to offspring. Inheritance is the process by which characters are passed on from parent to progeny; it is the basis of heredity. Variation is the degree by which progeny differ from their parents.
What is test cross? What is back cross? What is factor? What is the reason for selecting Pisum sativum? What is law of independent assortment? What are the modification in Mendel’s monohybrid cross ratio and dihybrid cross ratio? To get the answers, refer the video.
To get Principles of Inheritance and Variations (Part-2) Click Here
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