Description : Who gave the chromosomal theory of Inheritance?
Last Answer : Ans. Sutton and Boveri
Description : Experimental verification of the chromosomal theory of inheritance was done by (a) Mendel (b) Sutton (c) Boveri (d) Morgan.
Last Answer : Morgan
Description : Chromosomal theory of heredity was proposed by
Last Answer : Ans. W. Sutton (1902)
Description : Inheritance of skin colour in humans is an example of (a) point mutation (b) polygenic inheritance (c) codominance (d) chromosomal aberration.
Last Answer : (b) polygenic inheritance
Description : The Theory of Inheritance of Acquired Characters for the origin of species was proposed by: (a) Jean Lamark (b) J.B.S. Haldane (c) August Weismann (d) Harold Urey
Last Answer : Ans:(a)
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 : Where is chromosomal DNA located? -Biology
Last Answer : answer:
Description : What is chromosomal DNA? -Biology
Description : When does replication of chromosomal DNA occur? -Biology
Description : Why is chromosomal DNA stored at 4 degrees? -Biology
Description : Chromosomal DNA contamination. -Biology
Description : Chromosomal DNA is duplicated in -Biology
Description : By whom was the most important theory of general biology proposed? -Do You Know?
Description : 1. What was Sachin Tendulkar's average when he made his first thousand runs in ODls? 2. By whom was the most important theory of general biology proposed? 3. After howmany years is ... associated with anticyclone? 20. During which Gupta king's reign did the chinese traveller Fahien visit India?
Last Answer : Answer : 1. 35.83 2. Darwin and Wallace 3. Every five years 4. Karnataka 5. K. P. Kesava Menon 6. Holes 7. Ukraine 8. Syndicate Bank 9. Arid 10. Jawaharlal Nehru 11. Nicotine 12. Dr. B. R ... compression 15. Calcutta 16. R.E. Grant Govan 17. India 18. 1985 19. Fine and dry 20. Chandragupta II
Description : $ Schleiden and Schwann formulated the theory of inheritance of characters. ! The non living matter also follows the laws of inheritances.
Last Answer : $ Schleiden and Schwann formulated the theory of inheritance of characters. ! The non living matter also follows ... D. If both As and R are wrong.
Description : How do Sutton and observations about chromosomes number support the chromosome theory of inheritance?
Last Answer : Need answer
Description : What is a chromsome theory of inheritance?
Last Answer : Feel Free to Answer
Description : Which of the following is not a part of the Darwin's theory of evolution? (1) Natural selection (2) Struggle for existence (3) Survival of the fittest (4) Inheritance of acquired characters
Last Answer : (4) Inheritance of acquired characters Explanation: The inheritance of acquired characteristics is a hypothesis that physiological changes acquired over the life of an organism such as the ... theory of adaptation equated with the evolutionary theory of French naturalist Jean-Baptiste Lamarck.'
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 : Darwin's theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it? (a) Useful organs becomes strong and developed while useless ... organs is due to will power. (d) There should be some physical basis of inheritance.
Last Answer : There should be some physical basis of inheritance
Description : Linnaeus is credited with introducing a) The concept of inheritance b) Law of limiting factor c) Theory of heredity d) Binomial nomenclature
Last Answer : d) Binomial nomenclature
Description : The earliest experiments on chromosome theory and inheritance were developed by? w) Gregor Mendel x) Jonas Salk y) Charles Sternak z) Robert Oppenheimer
Last Answer : ANSWER: W -- GREGOR MENDEL
Description : Which of the following is not a part of the Darwin’s theory of evolution? (1) Natural selection (2) Struggle for existence (3) Survival of the fittest (4) Inheritance of acquired characters
Last Answer : Inheritance of acquired characters
Description : Given below is the presentation of a kind of chromosomal mutation : What is the kind of mutation represented
Last Answer : Given below is the presentation of a kind of chromosomal mutation : What is the kind of ... B. duplication C. inversion D. reciprocal translocation
Description : Chromosomal basis of sex determination was discovered in the plant :
Last Answer : Chromosomal basis of sex determination was discovered in the plant : A. Rumex B. Melandrium C. Concinia D. Spharocarpus
Description : Chromosomal movement in Anaphase occurs with the help of :-
Last Answer : Chromosomal movement in Anaphase occurs with the help of :- A. Astral rays B. Centrioles C. NOR D. Spindle fibres
Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification
Last Answer : Answer : A
Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses
Description : A DNA element which has the ability to move from one chromosomal position to another
Last Answer : Ans. Jumping gene
Description : A self replicating, extra-chromosomal genetic material found in plant cell
Last Answer : Ans. Plastids
Description : Which chromosomal combination is responsible for maleness in man? (1) XO (2) XXX (3) XX (4) XY
Last Answer : Explanation: In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.
Description : Frozen tissue section of a lymph node biopsy from the neck of an old dog shows granulomatous inflammation with large areas of necrosis. Which one would be most important to do? C A. cell surface markers for lymphocyte identification B. chromosomal analysis by karyotyping
Last Answer : cultures for acid fast bacilli and fungi
Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.
Last Answer : (d) PCR.
Description : Mental retardation in man, associated with sex chromosomal abnormality is usually due to (a) moderate increase in Y complement (b) large increase in Y complement (c) reduction in X complement (d) increase in X complement.
Last Answer : (d) increase in X complement.
Description : .Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked
Last Answer : (c) Klinefelter’s syndrome - 44 autosomes + XXY
Description : Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder
Last Answer : (d) X-linked recessive gene disorder
Description : Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane
Last Answer : (d) Cell membrane
Description : n bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.
Last Answer : (a) extra chromosomal material
Description : In bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.
Description : Genomic islands are a. Gene Sequences Not Part Of The Chromosomal Genes. b. Adjacent Gene Sequences Unique To One Or A Few Strains In A Species. c. Acquired By HGT. d. Both B And C Are Correct.
Last Answer : d. Both B And C Are Correct.
Description : The following statement is not true of sulbactam: A. It is a broad spectrum β-lactamase inhibitor B. It does not augment the activity of ampicillin against bacteria that are sensitive ... β-lactamases D. Combined with ampicillin, it is highly effective against penicillinase producing N. gonorrhoeae
Last Answer : C. It induces chromosomal β-lactamases
Description : The most common mechanism of development of resistance to fluoroquinolones is: A. Chromosomal mutation altering affinity of target site B. Plasmid transfer C. Acquisition of drug destroying enzyme D. Acquisition of alternative metabolic pathway
Last Answer : A. Chromosomal mutation altering affinity of target site
Description : Which of the following are capable of causing chromosomal mutations? a) hydrogen peroxide b) high body temperature c) X-rays d) all of the above
Last Answer : ANSWER: D -- ALL OF THE ABOVE
Description : Which chromosomal combination is responsible for maleness in man ? (1) XO (2) XXX (3) XX (4) XY
Last Answer : XY
Description : Which Biologist proposed the theory of Germ plasm? -Do You Know?
Description : Big bang theory was proposed by :
Last Answer : Big bang theory was proposed by : A. Kant B. Miller C. Lemaitre D. Drawin
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 Heterotroph theory of origin of life was proposed by Haldane. ! That part of earth which is without any traces of life is called Abiotic earth.
Last Answer : $ The Heterotroph theory of origin of life was proposed by Haldane. ! That part of earth which is without ... is wrong D. If both As and R are wrong.
Description : $ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is called Guttation.
Last Answer : $ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is ... wrong D. If both As and R are wrong.
Description : Cell theory was proposed by -
Last Answer : Cell theory was proposed by - A. A Botanist B. A Zoologist C. A botanist and zoologist D. A psychologist