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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
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Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridize its complimentary DNA in a clone of cells, followed by its detection using autoradiography because:
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Correct option: A
Mutated gene does not appear on a photographic film as the probe has no complementary with it
Option A (Mutated gene does not appear on a photographic film as the probe has no complementary with it) is correct because a mutated gene will not hybridize with a complementary probe, thus not appearing on the film.
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The correct sequence of the first six amino acids in HbA beta globulin peptide is
Assertion: The bacteria and other prokaryotes
show high adaptability to the changing
environment.
Reason: Member of kingdom Monera are
efficient in regulating gene expression. Which of the following is not true for DNA polymerase? Dystrophin gene consists of Read the following four statements (i-iv).
i. In transcription, adenosine pairs with uracil.
ii. Regulation of lac operon by repressor is referred to as positive regulation
iii. The human genome has approximately 30,000 genes
iv. Haemophilia is a sex-linked recessive disease
How many of the above statements are correct? Reactive group of RNA is?
show high adaptability to the changing
environment.
Reason: Member of kingdom Monera are
efficient in regulating gene expression. Which of the following is not true for DNA polymerase? Dystrophin gene consists of Read the following four statements (i-iv).
i. In transcription, adenosine pairs with uracil.
ii. Regulation of lac operon by repressor is referred to as positive regulation
iii. The human genome has approximately 30,000 genes
iv. Haemophilia is a sex-linked recessive disease
How many of the above statements are correct? Reactive group of RNA is?