Description : One gene-one enzyme hypothesis was postulatedby (a) Beadle and Tatum (b) R. Franklin (c) Hershey and Chase (d) A. Garrod.
Last Answer : (c) Hershey and Chase
Description : One gene-one enzyme hypothesis was postulatedby (a) Beadle and Tatum (b) R. Franklin (c) Hershey and Chase (d) A. Garrod
Last Answer : (a) Beadle and Tatum
Description : Operon model of gene regulation and organisation of prokaryotes was proposed by: (a) Messelson and Stahl (b) Wilkins and Franklin (c) Beadle and Tatum (d) Jacob and Monod
Last Answer : Ans. ((d))
Description : Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet”? (a) Hershey and Chase (b) Morgan and Sturtevant (c) Beadle and Tatum (d) Nirenberg and Mathaei
Last Answer : (b) Morgan and Sturtevant
Description : The frequency of recombination between gene present on the same chromosome as a measure of the distance between genes was explained by (a) Sutton Boveri (b) T.H. Morgan (c) Gregor J.Mendel (d) Alfred Sturtevant.
Last Answer : (d) Alfred Sturtevant.
Description : First geneticist/father of genetics was (a) De Vries (b) Mendel (c) Darwin (d) Morgan.
Last Answer : b) Mendel
Description : Who coined the term 'gene? (1) Mendel (2) Johannsen (3) Watson (4) Beadle
Last Answer : (2) Johannsen Explanation: Gene is a segment of DNA in all living organisms.
Description : Who coined the term ‘gene’ ? (1) Mendel (2) Johannsen (3) Watson (4) Beadle
Last Answer : Johannsen
Description : Reserve transcription was discovered by : (1) Beadle & Tatum (2) Waston & Crick (3) Temin & Baltimore (4) har Govind Khorana
Last Answer : Temin & Baltimore
Description : The term ‘gene’ was coined by - (1) T. H. Morgan (2) W. L. Johanssen (3) G. Mendel (4) De Vries
Last Answer : (2) W. L. Johanssen Explanation: Wilhelm Johannsen was a Danish botanist, plant physiologist and geneticist. His most well-known research concerned so-called pure lines of the self-fertile common bean. He was ... to the mother plant and to the position of seeds in pods and of pods on the plant.
Description : Pick out the person associated with the coining of the term ‘gene’. (1) Waldeyer (2) Mendel (3) Johannsen (4) Morgan
Description : The term ‘gene’ was coined by (1) T. H. Morgan (2) W. L. Johanssen (3) G. Mendel (4) De Vries
Last Answer : W. L. Johanssen
Description : Who proposed mutation theory a. J.B. Lamarck b. Charles Darwin c. Hugo de vries d. Mendel
Last Answer : c. Hugo de vries
Description : The theory of inheritance of acquired characters are proposed by a. J.B. Lamarck b. Charles Darwin c. Gregor Mendel d. Hugo De vries
Last Answer : b. Charles Darwin
Description : Genes control (a) Protein synthesis but not heredity (b) Protein synthesis and heredity (c) Heredity but not protein synthesis (d) Biochemical reaction of some enzymes
Last Answer : Ans:(b)
Description : Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction
Last Answer : Ans. ((a))
Description : The term genetics' was coined by – (1) Morgan (2) Mendel (3) Bateson (4) Johannsen
Last Answer : (3) Bateson Explanation: Danish botanist Wilhelm Johansen coined the term 'gene'. The term 'genetics' was coined by Bateson.
Description : The term “linkage” was coined by (a) G. Mendel (b) W. Sutton (c) T.H. Morgan (d) T. Boveri.
Last Answer : (c) T.H. Morgan
Description : Experimental verification of the chromosomal theory of inheritance was done by (a) Mendel (b) Sutton (c) Boveri (d) Morgan.
Last Answer : Morgan
Description : Select the correct Match : (1) Ribozyme - Nucleic acid (2) F2 x Recessive parent - Dihybrid cross (3) TH. Morgan - Transduction (4) G. Mendel - Transformation
Last Answer : (1) Ribozyme - Nucleic acid
Description : The term ' genetics' was coined by (1) Morgan (2) Mendel (3) Bateson (4) Johannsen
Last Answer : Bateson
Description : Gregor Mendel is often referred to as the Father of Genetics since he first enunciated the Principles of Heredity. His experimental material was (a) fruit fly (b) bread mould (c) pea plant (d) rhesus monkey
Last Answer : Ans:(c)
Description : Two laws of heredity that resulted from Mendel work -Biology
Last Answer : answer:
Last Answer : Mendel His Of the garden Peas Of trees On Different Examination - Audit Continue The formulas Preparation Does. Local ' Natural History In the journal ' These Published Although Long Thirty Years ... Different Branch As Establishment Gets. .. this For . Gregor Johan Mendel Heredity Vidya For Famous
Description : Laws of heredity was put forward by – (1) Mendel (2) Mendeleev (3) Pavlov (4) Koch
Last Answer : (1) Mendel Explanation: The laws of heredity were discovered by Gregor Mendel in about 1856- 1863. Mendel conducted experiments in plant hybridization, collecting the results of crossfertilizing hundreds of ... First Law, and the law of independent assortment, also known as Mendel's Second Law.
Description : Johann Gregor Mendel is famous for propounding - (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters
Last Answer : (2) Laws of heredity Explanation: The Laws of Heredity are few; their implications for life are vast. The simplest genetic characteristics are those whose presence depends on the genotype ... about the way certain characteristics are transmitted from one generation to another in an organism.
Description : Laws of heredity was put forward by (1) Mendel (2) Mendeleev (3) Pavlov (4) Koch
Last Answer : Mendel
Description : Johann Gregor Mendel is famous for propounding (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters
Last Answer : Laws of heredity
Description : How can i relate Gregor Mendel and Charles Darwin to cloning?
Last Answer : http://www.ornl.gov/sci/techresources/Human_Genome/elsi/cloning.shtml
Description : What unifying theme brought the work od mendel and Darwin together in the big picture of biology?
Last Answer : What is the answer ?
Description : 'Survival of the fittest' was coined by – (1) Darwin (2) Lamarck (3) Mendel (4) Weismarm
Last Answer : (1) Darwin Explanation: The 'survival of the fittest' quotation is attributed to Charles Darwin. He said, "It is not the strongest or the most intelligent who will survive but those who can best ... after reading Charles Darwin's On the Origin of Species - in his Principles of Biology (1864).
Description : ______ is called as 'Father of Genetics'. (1) Charles Darwin (2) Hugo de Vries (3) Gregor Johann Mendel (4) Jean Baptiste Lamarck
Last Answer : (3) Gregor Johann Mendel Explanation: Gregor Mendel was an Austrian monk who discovered the basic principles of heredity through experiments in his garden.
Description : The ‘Theory of Evolution’ wasput forward by - (1) Louis Pasteur (2) Aristotle (3) Gregor Mendel (4) Charles Darwin
Last Answer : (4) Charles Darwin Explanation: Charles Darwin had proposed "theory of Evolution". The theory of evolution came into view by the reawakening of ancient materialistic philosophies and became widespread ... the matter, so it tries to explain the universe and nature through purely material factors.
Description : The theory of inheritance of acquired characters was propounded by - (1) Charles Darwin (2) Gregor Mendel (3) J. B. Lamarck (4) Weismann
Last Answer : (3) J. B. Lamarck Explanation: Lamarckism (or Lamarckian inheritance) is the hypothesis that an organism can pass on characteristics that it has acquired through use or disuse during its lifetime to its offspring.
Description : The ‘Theory of Evolution’ was put forward by (1) Louis Pasteur (2) Aristotle (3) Gregor Mendel (4) Charles Darwin
Last Answer : Charles Darwin
Description : One gene one enzyme theory was proposed by
Last Answer : One gene one enzyme theory was proposed by A. Khorana and Nirenberg B. Beadle and Tatum C. Bateson and Punnet D. Bridges
Description : The study of the way in which genes operate and the way in which they are transmitted (heredity) from parents to offsprings
Last Answer : Ans. Genetics
Description : Which one of the following is wrongly matched? (a) Transcription - Writing information from DNA to tRNA. (b) Translation - Using information in mRNA to make protein. (c) Repressor protein - Binds to operator to stop enzyme synthesis. (d) Operon - Structural genes, operator and promoter.
Last Answer : (c) Repressor protein - Binds to operator to stop enzyme synthesis.
Last Answer : (d) Operon - Structural genes, operator and promoter
Description : Chromosomal theory of heredity was proposed by
Last Answer : Ans. W. Sutton (1902)
Description : The experimental material used by hershey and Chase for proving that DNA controls heredity was
Last Answer : The experimental material used by hershey and Chase for proving that DNA controls heredity was A. Escherichia ... typhimurium C. T(2) phage D. TMV
Description : The genes controlling the seven pea characters studied by Mendel are now known to be located on how many different chromosomes? (a) Seven (b) Six (c) Five (d) Four
Last Answer : Four
Description : Explain the law of segregation and law of independent assortment proposed by Mendel
Last Answer : Ans: 1. Law of Segregation: This law shows that the two alleles of a gene when present together in a heterozygous state, do not fuse of blend in any way, but remain distinct and segregate ... factors, then the inheritance of one pair of factors is independent to that of other pair of factors.
Description : That life arose from interactions of simple chemical compounds on primitive earth, the chemosynthetic theory of life, was proposed by: (a) A.I. Oparin (b) Louis Pasteur (c) Charles Darwin (d) Lamark
Last Answer : Ans:(a)
Description : What is the smallest unit of heredity? Page 49A. Chromosomes B. Gene (Answer) C. Nucleotides D. none
Last Answer : B. Gene (Answer)
Description : Who proposed the adage "Survival of the fittest"? (1) Darwin (2) William (3) Huxley (4) Lamarck
Last Answer : (1) Darwin Explanation: Charlse Darwin (1809-1882) was British naturalist scientist. After studying animal life in South Seas, he wrote The Origin of Species' on the theory of evolution. In The Descent of Man' he relates how man is descended from animal-: like ancestors.
Description : Which one of the following sequences was proposed by Darwin and Wallace for organic evolution? (a) Overproduction, variations, constancy of population size, natural selection (b) ... variations, natural selection (d) Variations, natural selection, overproduction, constancy of population size
Last Answer : (b) Sea-horse
Description : who was proposed the theory of sexual selection a)Charles Darwin b) Lamarck c) De varies d) Hackle
Last Answer : a)Charles Darwin
Description : Who proposed the adage “Survival of the fittest” ? (1) Darwin (2) William (3) Huxley (4) Lamarck
Last Answer : Darwin