Paternity and Maternity Testing (Mendelian Inheritance, PI Calculation, Exclusion): Application (UGC-NET Unit III)
Published:
Questions
30
Duration
30 min
Faculty-reviewed
0
Updated
17 May 2026
About this mock
UGC-NET Forensic Science Unit III drill on disputed paternity and maternity at the application band. Scenarios cover Mendelian inheritance (autosomal codominant ABO, autosomal Rh, X-linked, Y-linked, mitochondrial), Punnett square logic in paternity reading, ABO and Rh exclusion patterns, STR locus interpretation, Paternity Index per locus and Combined Paternity Index across panels, Probability of Paternity at neutral prior, the two-locus rule for exclusion to absorb single-locus mutation, identity by descent in close-relative paternity, step-paternity, maternity disputes (baby-swap and surrogacy), Section 112 of the Indian Evidence Act 1872 with the Goutam Kundu v. State of West Bengal AIR 1993 SC 2295 rule, and ICMR-DBT DNA Profiling Guidelines for Indian paternity casework. Companion to the Unit III easy and hard bands on the same syllabus area.
Sources & references
Questions in this mock are written and verified against the following sources. Citations are recorded per question and shown in the explanation after submission.
- cited in 18 questions
Butler J M, Advanced Topics in Forensic DNA Typing: Interpretation
Chapter 14, ISFG mutation handling and Brenner mutation-aware PI
- cited in 5 questions
AABB Standards for Relationship Testing Laboratories
Section 5, Mendelian inheritance, exclusion criteria and mutation handling at autosomal STR loci
Open source - cited in 4 questions
ICMR-DBT DNA Profiling Guidelines for Laboratories
Indian-population autosomal STR allele-frequency databases for forensic relationship testing
Open source - cited in 2 questions
Indian Evidence Act 1872, Section 112
Presumption of legitimacy of child born during wedlock and the non-access exception
Open source - cited in 1 question
Goutam Kundu v. State of West Bengal AIR 1993 SC 2295
Supreme Court of India, principles for ordering DNA tests in disputed paternity proceedings
Open source
How our mocks are built
Questions are written and edited by the ForensicSpot team and cited from peer-reviewed forensic textbooks, official syllabi and primary case law. Each one is verified before publishing. Detailed explanations show after you submit, so the test stays a real test. See a mistake? Tell us.
Common questions
What does the Paternity and Maternity Testing (Mendelian Inheritance, PI Calculation, Exclusion): Application (UGC-NET Unit III) mock cover?+
UGC-NET Forensic Science Unit III drill on disputed paternity and maternity at the application band. Scenarios cover Mendelian inheritance (autosomal codominant ABO, autosomal Rh, X-linked, Y-linked, mitochondrial), Punnett square logic in paternity reading, ABO and Rh exclusion patterns, STR locus interpretation, Paternity Index per locus and Combined Paternity Index across panels, Probability of Paternity at neutral prior, the two-locus rule for exclusion to absorb single-locus mutation, ident
How many questions and how long is the test?+
30 multiple-choice questions, 30 minutes total. Difficulty: medium. Tier: Premium.
Who is this mock for?+
Forensic science students and aspirants who want timed, exam-style practice with explanations and verified source citations on NET. Useful for postgraduate entrance preparation and for BSc / MSc forensic students testing their recall under time.
Are the questions reviewed?+
Each question carries a verified source citation. Faculty review for individual questions is in progress.
Do I need an account to take this mock?+
Yes, a free ForensicSpot account is required to start a timed attempt — this lets you save progress, see per-question explanations after submission, and track your topic-level performance over time.