20 Multiple Choice Questions · Test your understanding
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Mendelian Principles
Q 1Law of Segregation
According to Mendel's Law of Segregation, what happens to the two alleles of a gene during gamete formation?
Q 2Law of Independent Assortment
Mendel's Law of Independent Assortment states that genes for different traits segregate independently. What is the main genetic consequence of this?
Q 3Law of Dominance
In a heterozygous individual, the Law of Dominance states that the recessive allele:
Q 4Mendel's Organism
Gregor Mendel discovered the fundamental rules of inheritance primarily through his experiments on which organism?
Extensions of Mendelian Inheritance
Q 5Incomplete Dominance
When red-flowered and white-flowered plants are crossed and the offspring produce pink flowers, this demonstrates:
Q 6Codominance
A person with blood type AB expresses both A and B antigens on their red blood cells. This inheritance pattern is an example of:
Q 7Multiple Alleles
The ABO blood group system in humans is a classic example of which inheritance pattern?
Q 8Polygenic Inheritance
Traits such as height, skin colour, and eye colour are controlled by multiple genes and show a continuous range of phenotypes. This is known as:
Chromosomal Basis of Inheritance
Q 9Sex-Linked Inheritance
Colour blindness is more common in males than in females because males have only one X chromosome. This is an example of which type of inheritance?
Q 10Genetic Recombination
Genes located close to each other on the same chromosome tend to be inherited together. However, new allele combinations can arise through:
Q 11Gene Location
Where are genes physically located within a cell?
Q 12Linkage
The tendency of genes on the same chromosome to be inherited together is called:
Genetic Variation & Mutation
Q 13Mutations
Which type of mutation involves a change in a single nucleotide in the DNA sequence?
Q 14Role of Mutation
Genetic variations produced by mutations are described as the "raw material" for evolution because they:
Q 15Mutation Types
Which of the following is TRUE about mutations?
Population Genetics & Evolution
Q 16Hardy–Weinberg Equilibrium
The Hardy–Weinberg Equilibrium principle states that allele and genotype frequencies in a population remain constant when which conditions are met?
Q 17Forces of Evolution
Which of the following is NOT listed as a main force that influences allele frequencies in a population?
Q 18Hardy–Weinberg Application
What is the primary use of the Hardy–Weinberg Equilibrium in genetics?
Practical Applications
Q 19Genetic Counselling
Understanding inheritance patterns has a direct application in genetic counselling. What is the primary goal of genetic counselling?
Q 20Genetic Engineering
Modern applications of inheritance principles in genetic engineering have led to the development of genetically modified organisms (GMOs) and gene therapy. These belong to which field of applied genetics?
Dr. Bhabesh Nath is an Assistant Professor in the Department of Zoology at B. N. College Autonomous with more than 16 years of teaching experience at the undergraduate and graduate levels. He has been actively involved in teaching, academic mentoring, dissertation guidance, and the development of innovative educational resources in Zoology and Life Sciences.
Dr. Nath serves as the SWAYAM Co-ordinator of B. N. College Autonomous and is also the Assistant Nodal Officer for Internship activities of the institution, contributing significantly to student skill development, online learning initiatives, and academic-industry engagement.
As the founder and content developer of zoologys.co.in, he is dedicated to making Zoology education accessible, interactive, and exam-oriented for students and educators. His academic interests include Cell Biology, Wildlife Biology, Ecology, Evolution, Genetics, Bioinformatics, and Zoological Practical Education.
Through zoologys.co.in, Dr. Nath regularly publishes study materials, laboratory manuals, MCQs, practical guides, question papers, e-content, and educational resources aligned with university curricula and UGC guidelines. His work emphasizes student-friendly explanations, visual learning, and ICT-enabled teaching-learning methods in higher education.
He is also actively involved in creating digital learning resources, online practical content, and academic support materials for B.Sc. and postgraduate students, teachers, and competitive examination aspirants across India.
Dr. Chandralekha Deka is an Assistant Professor in the Department of Zoology at Pandit Deendayal Upadhyaya Adarsha Mahavidyalaya (PDUAM). She is actively engaged in undergraduate teaching, academic mentoring, and the promotion of quality education in Zoology and Life Sciences.
Dr. Deka has been contributing to higher education through classroom teaching, practical training, student guidance, and academic activities aimed at strengthening scientific understanding among students. Her areas of academic interest include Cell Biology, Genetics, Ecology, Evolution, Environmental Biology, and Zoological Practical Education.
As an educator, she is dedicated to creating a student-friendly learning environment and encouraging scientific curiosity, critical thinking, and research-oriented learning among undergraduate students. She is also involved in academic resource development, practical-based teaching methodologies, and ICT-enabled learning approaches in higher education.
Through her teaching and academic contributions, Dr. Deka continues to support the advancement of Zoology education and student development in Assam and beyond.
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