The GATE Grind

GATE Genetics, Cellular and Molecular Biology: Genetics: Chromosomal variation, sex determination, genetic disorders, population genetics, epigenetics – Previous Year Questions

5 GATE previous year questions on Genetics: Chromosomal variation, sex determination, genetic disorders, population genetics, epigenetics (Genetics, Cellular and Molecular Biology, Biotechnology) with answers and explanations, from every paper.

  1. GATE 2021 BT Q16 (1 mark, Multiple choice) – The original chromosome has gene order L M • N O P Q, where • is the centromere. Which rearrangement is a paracentric inversion?
  2. GATE 2021 BT Q58 (2 marks, Numerical answer) – A randomly mating population has Y allele frequency 0.70 in sperm and eggs. The Y/y heterozygote frequency (two decimal places) is .
  3. GATE 2022 BT Q36 (2 marks, Multiple choice) – Which of the following conditions will contribute to the stability of a gene pool in a natural population? P. Large population Q. No net mutation R.…
  4. GATE 2023 BT Q14 (1 mark, Multiple choice) – Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: Chromosome mutations can change the structure…
  5. GATE 2026 BT Q38 (2 marks, Multiple choice) – Match the genetic disorders in Column I to the corresponding underlying cause in Column II Column I Column II --- --- P. Klinefelter Syndrome 1.…