Academic session 2026-27, Chapter 8 in the current curriculum.
Welcome to the NCERT Solutions for Class 10 Science - Chapter Heredity and Evolution. This page offers a step-by-step solution to the specific question from Exercise 7, Question 5:
How are the areas of study – evolution and classification – interlinked?
. With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.How are the areas of study – evolution and classification – interlinked?
Study of evolution and classification are interlinked. We can find the evolutionary relationships by identifying the hierarchy of the characteristics (these are the details of appearance and the behaviour) between the two species which shows the evolution. Classification shows the similarities among the two species which allows us to group them and then do the study of them, with the sharing of their common ancestor. The more similar characters are between two species, more closely they seem to be related with sharing of common ancestor. As shown in the given example in the book, A brother and sister are closely related, having the common ancestors before them, i.e, their parents. Their cousin and the girl are related but less if we compared them to the real brother and sister. This is due to cousins having common ancestors, their grandparents. That is how we can relate the classification of the species to the evolutionary relationship.
In the following crosses write the characteristics of the progeny
| Cross | Progeny |
|---|---|
|
(a) RR YY x RR YY |
................................... |
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
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Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 7 , Question 5: How are the areas of study – evolution and classification – interlinked?....
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