Example 1 · difficulty 3/5
A plant RrYy is crossed with Rryy. What is the probability of an offspring having wrinkled green seeds?
- A. 1/16
- B. 1/4
- C. 3/8
- D. 1/8
2025 source guide · Biology
NEET 2025 Biology Genetics Questions
Connect the official 2025 paper with current Biology practice without labelling original previews as PYQs.
500 original questions · explicit provenance labels
BiologyPlate 68
NeetVellum atlas · fig. biology
68
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 3/5
In RrYy × RrYy, what is the combined probability that an offspring shows either of the two parental phenotypes round yellow or wrinkled green, when the original parents were RRYY and rryy?
- A. 5/8
- B. 3/8
- C. 1/2
- D. 3/4
Example 3 · difficulty 4/5
Among offspring of RrYy × RrYy, what is the probability of being homozygous at exactly one of the two loci and heterozygous at the other locus?
- A. 1/4
- B. 1/2
- C. 3/8
- D. 3/4
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 2025 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 2025 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.