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Inheritance - Biology Questions asked by Filo students

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_____ are the enzymes which unwind DNA.

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Inheritance

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DNA differs from RNA in having thymine in place of _____

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Inheritance

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1. RNA polymerase associates transiently with 'Rho' factor to initiate transcription.
2. In bacteria transcription and translation takes place in the same compartment.
3. RNA polymerase I is responsible for transcription of tRNA.
4. When hnRNA undergoes capping process, adenylate residues are added at 3' end in a template independent manner.
5. hnRNA is precursor of mRNAa. 2 and 5 only are correct b. 2, 3 and 5 only correct c. 3 and 4 only are correct d. 1 and 4 only are correct

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Inheritance

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A bacteriophage with radioactive DNA and protein when infects a bacterium the radioactivity inside the bacterium will be located :a. In DNA b. In protein c. Both in DNA and protein d. In all parts of bacterial cell

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_________ is a family tree.

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Inheritance

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1 . 2 . 3 . 4 . Karyotyping XO females 3n female Lyon (a) (b) (c) (d) Metaphase Barr body Aneuploidy Bridges

a. 1-a 2-c 3-d 4-b b. 1-c 2-b 3-d 4-a c. 1-b 2-d 3-a 4-c d. 1-c 2-a 3-d 4-b

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Inheritance

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A child of a mother with blood group AB may have any one of the following blood groups except.a. A b. B c. AB d. O

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Inheritance

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A child receives a. 25% genes form his father b. 50% genes form his father c. 75% genes form his father d. 100% genes form his father

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Inheritance

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A colour blind man marries the daughter of a colour blind person. Then in their progeny a. None of their daughters are colour blind b. All the sons are colour blind c. All the daughters are colour blind d. Half of their sons are colour blind

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Inheritance

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Question 10

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A colour blind son will born whena. Mother is normal band father normal b. Mother is colour blind and father normal c. Mother is normal and father is colour blind d. All the cases are correct

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Question 11

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A common test to find the genotype of a a hybird is by a. Crossing of one

F_{2}

progeny with male parent b. Crossing of one

F_{2}

progeny with female c. Studying the sexual behaviour with male parebnt d. Crossing of one

F_{1}

progeny with male parent

Topic:

Inheritance

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Question 12

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A common test to find the genotype of a hybrid is bya. Crossing of one

F_{2}

progeny with male parent b. crosing of one

F_{2}

progeny with female parent c. Studying the sexual behaviour of

F_{1}

progenies d. crossing of one

F_{1}

progeny with male parent

Topic:

Inheritance

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Question 13

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A mutant strain of Neurospora which fails to grow on a minimal medium unless supplemented with a nutrient is called a. Auxotroph b. Autotroph c. Heterotroph d. Prototroph

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Inheritance

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Question 14

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A mutation that inactivates the regulatory gene of a repressible operon in an E. coli cell would result ina. Complete inhibition of transcription of the structural gene controlled by that regulator b. Irreversible binding of the repressor to the operator c. Continuous translation of the rRNA transcribed d. Continuous transcription of the structural gene

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Inheritance

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Question 15

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A nucleotide consists of a _____ a _____ and a nitrogen base.

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Inheritance

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Question 16

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A nucleotide importan important in transfer of energy is a. GDP b. AMP c. ATP d. ADP

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Inheritance

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Question 17

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A parent having autosomal dominant disease then what will be the probability of diseased offspring irrespective of sex of the child?a.

90 %

10 %

50 %

100 %

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Inheritance

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Question 18

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A person may have one gene for normal heamoglobin and one gene for sickle cell haemoglobin. This heterozygous condition is called a. Genome b. Anaemia c. Gene trait d. Sickle cell trait

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Inheritance

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Question 19

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A person with blood group 'A' can be given blood of which groupa. A and B b. B and O c. A and O d. A, B, AB and O

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Inheritance

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Question 20

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A phenomenon where the third base of t-RNA at its 5 end can pair with a non-complementary base of m-RNA is called :a. universality b. Colinearity c. degeneracy d. Wobbling

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Inheritance

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