This section is designed for students preparing for competitive examinations where accuracy, conceptual clarity, and speed are critical. It focuses on the most frequently tested and high-yield aspects of Mendelian inheritance, with strong emphasis on NCERT line-based understanding and exam-oriented practice.
In this section, you will study:
High-yield Mendelian crosses and ratio-based questions
Tricky concepts in dominance, segregation, and independent assortment
NCERT-based MCQs on test cross and dihybrid inheritance
Assertion–reason and multi-statement questions
Common conceptual traps and misconceptions in Mendelian genetics
Integration of Mendelian principles with pedigree analysis
Previous year question patterns and exam-focused practice sets
The content is structured to improve accuracy, speed, and exam temperament, helping students confidently tackle high-difficulty MCQs and cross-based problems in NEET and other competitive entrance exams.
Build a competitive edge by mastering Mendelian genetics and heredity through focused, exam-oriented preparation.
Q. What is the expected phenotypic ratio of a test cross involving a heterozygous individual?
A.
1:1
B.
3:1
C.
9:3:3:1
D.
1:2:1
Solution
The expected phenotypic ratio of a test cross involving a heterozygous individual is 1:1, as it is crossed with a homozygous recessive individual.