Example 1 · difficulty 2/5
Two offspring are produced independently from the cross Tt × Tt. What is the probability that exactly one is tall and the other is dwarf?
- A. 3/16
- B. 1/4
- C. 3/8
- D. 9/16
2022 source guide · Biology
NEET 2022 Biology Genetics Questions
Use this page to connect the official 2022 paper with current Biology practice. NeetVellum does not claim a chapter appeared in that paper until the official question and final key have been mapped.
What to master
inheritance patterns, linkage, molecular genetics, gene expression and variation.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 4/5
Four offspring are obtained independently from Tt × Tt. What is the probability that exactly two of them are dwarf?
- A. 9/256
- B. 27/64
- C. 81/256
- D. 27/128
Example 3 · difficulty 1/5
A pea plant has genotype RrYy, where R controls round seeds and Y controls yellow seeds. Assuming independent assortment, which set correctly lists all types of gametes it can produce?
- A. RY, Ry, rY and ry
- B. RY and ry only
- C. Rr, Yy, RY and ry
- D. RR, Rr, YY and Yy
The evidence-first practice loop
- 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
- 2. Attempt closed-bookExpose the concept or execution gap before rereading.
- 3. Repair and returnClassify the miss and re-practice after a delay.
Canonical chapter practice
Frequently asked questions
Are these official NEET 2022 Biology Genetics PYQs?
No. The previews are original NeetVellum practice questions. A historical item receives a PYQ label only after its official paper and authoritative final answer key are attached. Use the official archive for the source paper.
How should I use the NEET 2022 paper?
Solve the official paper under its original timing, verify against the final key, classify every miss, and then use the linked current-syllabus practice bank to repair the exposed concept.