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 10:
Explain how sexual reproduction gives rise to more viable variations than asexual reproduction. How does this affect the evolution of those organisms that reproduce sexually?
. 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.Explain how sexual reproduction gives rise to more viable variations than asexual reproduction. How does this affect the evolution of those organisms that reproduce sexually?
This is true that sexual reproduction give rise to more variations than asexual reproduction.
Sexual reproduction is responsible for evolution because these two parents are involved in forming a zygote by sharing their equal amount of genetic material to the offspring that confers a variation. More viable variations occur because error can occur in copying of DNA where mutations occur but this is very rare.
Sexual reproduction provides infinite chances of the new combinations of existing traits in two steps:- first, by the segregation (the formation of gametes by random separation of paternal or maternal chromosomes into the daughter cells. And second, at the time of fertilization by random fusion of male and female gametes to form a zygote.
And in case of asexual reproduction,
Unlike sexual reproduction, Asexual reproduction is not responsible for the evolution because in this type of reproduction process only one parent is involved to form the daughter cells. Very small or we can say no changes or variations occur in the progeny because the offsprings they gave arise are identical to the parent. And the division process is also different in this, it can occur through budding, binary or multiple fission.
So, we can say that sexual reproduction give rise to more viable variations than asexual reproduction.
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:
Stay updated with our latest educational content and study tips
It’s not about starting over if you took a break to care for children, take care of yourself, be healthy or for any other reason. This is a realistic strategy for the recovery of skills, selection of the right job, and overcoming the resume problem. One year, three years or 10 years of a career … Read more
Read MoreThere’s no need to score 95% or achieve a JEE/NEET rank. You don’t need to score 95% or rank in JEE/NEET to build a solid career. A candid and pragmatic guide to the routes that actually work for students who have an average mark and what to do when faced with the options. If … Read more
Read MoreAI tools, online platforms that are much cheaper than coaching centres and the changing idea of what “structure” even means have upended this argument more in the past two years than in the decade preceding it. Here’s what is really the case for 2026 – and what has actually stayed the same. If you look … Read more
Read MoreStarting to make a new career after 30 isn’t a start from scratch. Marketing, teaching, financial, retail, healthcare, sales and other professionals can pursue careers in technology by applying the existing knowledge and skills they have acquired to new technology skills. There are various ways to enter the technology industry, such as in IT support, … Read more
Read MoreCalculate percentage from obtained marks and total marks.
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 10: Explain how sexual reproduction gives rise to more viable variations than asexual reproduction. How ....
Fresh educational articles and updates.
Most-read articles from SaralStudy.
Fast access to frequently used study resources.
Recently viewed articles based on SaralStudy activity.
Add Comment