Test Cross & Punnett Square — NEET Biology
📚 Practice Concept📖 NCERT Source
Using Punnett square, try to find out the nature of offspring of a test cross.
Practice This Concept
QuestionPractice Question
Which pair of gametes will produce an offspring with genotype RrYy in a dihybrid cross?
📖 Solution & NCERT Explanation
View solution & NCERT explanation
Correct answer: A — RY × ry
RY (dominant alleles) + ry (recessive alleles) → RrYy.
❓ Frequently Asked Questions
What does NCERT say about Using Punnett square try?
Using Punnett square, try to find out the nature of offspring of a test cross.
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Principles of Inheritance and Variation, Class 12 NCERT Biology.
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank
MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.
176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
Free to start · Hindi + English · 43,000+ questions · NEET 2026 pattern
Related Concepts from Principles of Inheritance and Variation