Genetics One Liner
Genetics One Liner
Quest.Which part of the chromosome is known as primary constriction?
Ans. Centromere
Quest.The major genetic constituent of chromosome
Ans.DNA
Quest.How many daughter cells are formed in one cycle of mitosis?
Ans.Two
Quest.‘Mitosis’ term was coined by
Ans.Walter Flemming (1882)
Quest.In which cells does mitosis occur?
Ans.Somatic cells(Genetics One Liner)
Quest.Longest phase of mitosis
Ans.Prophase
Quest.Shortest phase of mitosis
Ans.Anaphase
Quest.The middle stage in which chromosomes are arranged in equatorial plate
Ans.Metaphase
Quest.The stage of DNA synthesis in mitosis
Ans.Interphase
Quest.How many daughter cells are formed in one cycle of meiosis?
Ans.Four(Genetics One Liner)
Quest.‘Meiosis’ term was 1st given by
Ans.J.B. Farmer (1905)
Quest.In which cells does the meiosis occur?
Ans.Reproductive cells
Quest.Crossing over and recombination occur during
Ans.Meiosis division
Quest.In which stage, crossing over takes place?
Ans.Pachytene stage
Quest.Chiasmata occurs at
Ans.Diplotene stage(Genetics One Liner)
Quest.Spindle formation takes place during
Ans.Metaphase 1
Quest.The process of separation of chromatids called
Ans.Disjunction
Quest.Mendal was born on
Ans.July 22, 1822
Quest.Mendal works on the 7 contrasting characters of crop
Ans.Garden pea
Quest.Rediscovery of Mendel’s work was done by
Ans.Hugo de Vries, Erich Correns and Erich Tschermak (1900)(Genetics One Liner)
Quest.The accepted theory of Mendal was
Ans.Law of Segregation
Quest.Mendelian population is also known as
Ans.Random mating population
Quest.A tall pea plant (DD) and a tall pea plant (Dd) have what in common?
Ans.Phenotype
Quest.The double helix model of DNA proposed by
Ans.Watson and Crick (1953)
Quest.The process of using information (genetic material) from DNA to construct m-RNA
Ans.Transcription(Genetics One Liner)
Quest.Transfer of genetic material from m-RNA to Protein
Ans.Translation
Quest.An expression of one gene depends on the presence or absence of another gene in an individual.
Ans.Epistasis/gene interaction
Quest.Phenotypic ratio of Monocross hybrid
Ans.3:1
Quest.Phenotypic ratio of Dicross hybrid
Ans.9:3:3:1
Quest.Triplet sequence found in mRNA which codes for single amino acid
Ans.Codon(Genetics One Liner)
Quest.Triplet sequence in t-RNA
Ans.Anticodon
Quest.5 inbred lines will lead to ……. no. of single crosses.
Ans.10
Quest.The term “Genomics” was coined by
Ans.Thomas Roderick (1986)
Quest.Who developed the concept of pangenesis?
Ans.Darwin
Quest.Theory of evolution through natural selection was given by
Ans.C.Darwin and A.R.Wallace (1858)(Genetics One Liner)
Quest.Who developed the theory of acquired character?
Ans.Lamarck
Quest.Chromosomal theory of heredity was proposed by
Ans.W. Sutton (1902)
Quest.Genes for sex-linked traits are located on
Ans.“Y” chromosome
Quest.How many pairs of homologous chromosomes do humans have?
Ans.23(Genetics One Liner)
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