What would be the expected distribution of centrifuged DNA (in the Meselson /Stahl experiment),using only the intact chromosomes of E. coli, by the second generation (the F2 generation)?12.5% heavy-weight DNA, and 87.5% intermediate-weight DNA25% heavy-weight DNA, and 75% light-weight DNA87.5% light-weight DNA, and 12.5% intermediate-weight DNA75% heavy-weight DNA, and 25% light-weight DNA50% intermediate-weight DNA, and 50% light-weight DNA The above experiment would demonstrate which of the following DNA replication mechanisms?completely discontinuous DNA replicationcompletely continuous DNA replicationsemi-conservative DNA replicationcompletely dispersive DNA replicationcompletely conservative DNA replication

Meselson and Stahl experiment The experiment carried out by Meselson and Stahl tells us about nature…

Answered: What would be the expected distribution…

What would be the expected distribution of centrifuged DNA (in the Meselson /Stahl experiment), using only the intact chromosomes of E. coli, by the second generation (the F2 generation)?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter15: Genomes And Genomics

Section: Chapter Questions

Problem 6QP: Which of the following best describes the process of DNA sequencing? a. DNA is separated on a gel,...

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

What would be the expected distribution of centrifuged DNA (in the Meselson /Stahl experiment),

using only the intact chromosomes of E. coli, by the second generation (the F₂ generation)?

12.5% heavy-weight DNA, and 87.5% intermediate-weight DNA
25% heavy-weight DNA, and 75% light-weight DNA
87.5% light-weight DNA, and 12.5% intermediate-weight DNA
75% heavy-weight DNA, and 25% light-weight DNA
50% intermediate-weight DNA, and 50% light-weight DNA

The above experiment would demonstrate which of the following DNA replication mechanisms?
completely discontinuous DNA replication
completely continuous DNA replication
semi-conservative DNA replication
completely dispersive DNA replication
completely conservative DNA replication

Definition Definition Mechanism by which deoxyribonucleic acid (DNA) is capable of producing an exact copy of itself. DNA molecules utilize a semiconservative method for replication. DNA replication is the most essential part of biological inheritance and is crucial for cell division during growth and repair of damaged tissues.

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If the intact chromosomes of E. coli are labeled with heavy nitrogen (15N), then E. coli is fed light nitrogen (14N), what would be the expected distribution of DNA by the fourth (F4) generation? 12.5% intermediate-weight DNA, and 87.5% light-weight DNA 25% intermediate-weight DNA, and 75% heavy-weight DNA 50% light-weight DNA, and 50% intermediate-weight DNA 75% intermediate-weight DNA, and 25% heavy-weight DNA 87.5% intermediate-weight DNA, and 12.5% heavy-weight DNA
If the intact chromosomes of E. coli are labeled with heavy nitrogen (15N), then E. coli is fed light nitrogen (14N), what would be the expected distribution of DNA by the fourth (F4) generation? 12.5% intermediate-weight DNA, and 87.5% light-weight DNA 25% intermediate-weight DNA, and 75% heavy-weight DNA 50% light-weight DNA, and 50% intermediate-weight DNA 75% intermediate-weight DNA, and 25% heavy-weight DNA 87.5% intermediate-weight DNA, and 12.5% heavy-weight DNA The above experiment, on DNA replication in the intact chromosomes of E. coli (with no virus infection) was first carried out by which of the following investigators? Rosalind Franklin and Maurice Wilkins Reiji Okazaki and Tuneko Okazaki Matthew Meselson and Franklin Stahl James Watson and Francis Crick Erwin Chargaff and Arthur Kornberg
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