Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Heredity and Evolution, Exercise 2: Short Answer Type Questions
Rajesh Singh Science Solutions for Exercise - Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Heredity and Evolution, Exercise 2: Short Answer Type Questions
Attempt the free practice questions on Chapter 9: Heredity and Evolution, Exercise 2: Short Answer Type Questions with hints and solutions to strengthen your understanding. NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X solutions are prepared by Experienced Embibe Experts.
Questions from Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Heredity and Evolution, Exercise 2: Short Answer Type Questions with Hints & Solutions
Why do all the gametes formed in human females have an X-chromosome?

In human beings, the statistical probability of getting either a male or female child is 50:50. Give a suitable explanation.

A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation.

What are homologous structures? Given an example. Is it necessary that homologous structures always have a common ancestor?

Does the occurrence of the diversity of animals on earth suggest their diverse ancestry also? Discuss this point in light of evolution.

Give the pair of contrasting traits of the following characters in pea plant and mention which is dominant and recessive:
(i) Yellow seeds.
(ii) Round seeds.

Why did Mendel choose pea plant for his experiments?

A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
