Genetic Concepts & Terms One Liner Questions & Answers


Question Answer
1 Who is the father of modern genetics? Gregor Johann Mendel
2 The classical Mendel’s work on his ‘laws of inheritance’ was performed on the organism – Garden pea
3 Mendel’s principle of inheritance is based on – Sexual reproduction
4 Genome mapping relates to – Mapping of genes
5 The unit of heredity in our body is called – Gene
6 Gene is – A segment of DNA
7 Change in the base sequence within a gene is called – Mutation
8 Hereditary symptoms are moved in the descendant of creatures by – Chromosome
9 Which organelle is responsible for controlling the hereditary characteristics of the living cells? DNA
10 Which feature of DNA makes it uniquely suited to store and transmit genetic information from generation to generation? Complementarity of the two strands
11 Chromosomal theory of inheritance was given by – Sutton and Boveri
12 Who first outlined the structure of the gene molecule (D.N.A.)? Dr. James Watson and Dr. Francis Crick
13 James D. Watson and Francis Crick are associated with the discovery of – Structure of DNA
14 Who has proposed for the first time the double helix model of DNA? Watson and Crick
15 Nobel Prize-winning scientist James D. Watson is known for his work in which area? Genetics
16 Double-helical structure of DNA was given by whom? Watson and Crick
17 Who discovered DNA? None of the above/More than one of the above
18 Har Gobind Khorana is credited for the discovery of – Synthesis of Protein
19 In the laboratory, who did the synthesis of DNA – Khorana
20 Who delivered the principle of ‘jumping genes’? Barbara McClintock
21 Which compound present in D.N.A. does not form an amino acid? Tyrosine
22 The sugar present in DNA is – Deoxyribose
23 Ribozymes are – RNA
24 Chromosome number in any species – Is constant
25 How many chromosomes are there in humans? 46
26 The number of chromosome pairs, found in the cells of the human body is – 23
27 Male’s gene constituent is – XY
28 Which combination of chromosomes in mankind gives birth to a male child? Y of male and X of female