This section focuses on the practical applications of Mendelian genetics in understanding inheritance patterns, genetic disorders, and breeding strategies. It is designed for Class 11–12 students, NEET aspirants, and undergraduate learners to connect Mendelian principles with real-world biological and medical contexts.
In this section, you will study:
Application of Mendelian laws in predicting inheritance of traits
Use of genetic crosses in plant and animal breeding
Understanding inherited genetic disorders through Mendelian patterns
Application of Mendelian principles in pedigree analysis
Role of heredity concepts in genetic counseling
Use of classical genetics in crop improvement and animal husbandry
NCERT-based application questions, examples, and exam-oriented problems
The content is structured to enhance application-based understanding, strengthen logical reasoning, and help students confidently handle real-world and case-based questions in school examinations, NEET, and undergraduate assessments.
Understand how Mendelian genetics forms the foundation for heredity studies, medical genetics, and breeding practices beyond the classroom.
Q. In a dihybrid cross, what is the expected phenotypic ratio of the offspring?
A.
1:1
B.
3:1
C.
9:3:3:1
D.
1:2:1
Solution
The expected phenotypic ratio of a dihybrid cross is 9:3:3:1, representing the combinations of two traits.