Principles of Inheritance and Variation CBSE Notes: Revision notes are the short textual content that summarises the chapter. Such notes are helpful for students and teachers to quickly revise the ...

In this article, we are providing you NCERT Exemplar Solutions for all the questions of CBSE 12 Biology chapter 1, Reproduction in Organisms. Principle of Inheritance and Variation is one of the most ...

Extensive genetic variation is contained within any species. This is clearly visible in the domestic dog species. For example, if a mutation leads to a change in phenotype, such as feather colouring ...

All living things – including people, plants and animals – must reproduce to ensure the survival of their species. When they do – they pass on genetic information from one generation to the next – in ...

Dermatoglyphic traits in a sample of twins were analyzed to estimate the resemblance between MZ and DZ twins and to evaluate the mode of inheritance by using the maximum likelihood-based Variance ...