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Related Concept Videos

Reproductive Cloning01:27

Reproductive Cloning

Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic cell—any cell that is not a sex...
Reproductive Cloning01:27

Reproductive Cloning

Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic cell—any cell that is not a sex...
Cloning of Dolly the Sheep01:08

Cloning of Dolly the Sheep

The first successfully cloned mammal was Dolly, a sheep, born on 5th July 1996 at Roslin Institute, Scotland. The cloned sheep was named after the American singer Dolly Parton. Dolly lived for seven years and died of respiratory complications, which is speculated to be due to the actual age of her DNA. Because the DNA in cloned cells belongs to an older individual,  the cloned individual’s life expectancy may be affected. Indeed, analysis of Dolly’s DNA revealed shorter telomeres than other...
Second Uniqueness Theorem01:16

Second Uniqueness Theorem

Consider a region consisting of several individual conductors with a definite charge density in the region between these conductors. The second uniqueness theorem states that if the total charge on each conductor and the charge density in the in-between region are known, then the electric field can be uniquely determined.
In contrast, consider that the electric field is non-unique and apply Gauss's law in divergence form in the region between the conductors and the integral form to the surface...
Asexual Reproduction02:38

Asexual Reproduction

Asexual reproduction allows plants to reproduce without growing flowers, attracting pollinators, or dispersing seeds. Offspring are genetically identical to the parent and produced without the fusion of male and female gametes.
Nondisjunction01:29

Nondisjunction

During meiosis, chromosomes occasionally separate improperly. This occurs due to failure of homologous chromosome separation during meiosis I or failed sister chromatid separation during meiosis II. In some species, notably plants, nondisjunction can result in an organism with an entire additional set of chromosomes, which is called polyploidy. In humans, nondisjunction can occur during male or female gametogenesis and the resulting gametes possess one too many or one too few chromosomes.

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Related Experiment Video

Updated: Jun 19, 2026

Functional Cloning Using a Xenopus Oocyte Expression System
09:40

Functional Cloning Using a Xenopus Oocyte Expression System

Published on: January 30, 2016

Optimal cloning and singlet monogamy.

Alastair Kay1, Dagomir Kaszlikowski, Ravishankar Ramanathan

  • 1Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, D-85748 Garching, Germany.

Physical Review Letters
|October 2, 2009
PubMed
Summary
This summary is machine-generated.

Researchers established a quantitative link between quantum state cloning and entanglement generation. This breakthrough introduces "singlet monogamy," enabling exact solutions for asymmetric cloning and analysis of Heisenberg systems.

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Standardized Modular Assembly of Polycistronic Operons with Modular Cloning (MoClo) using the In-Cloning toolkit
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Standardized Modular Assembly of Polycistronic Operons with Modular Cloning (MoClo) using the In-Cloning toolkit

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Manipulation of Ploidy in Caenorhabditis elegans
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Manipulation of Ploidy in Caenorhabditis elegans

Published on: March 15, 2018

Related Experiment Videos

Last Updated: Jun 19, 2026

Functional Cloning Using a Xenopus Oocyte Expression System
09:40

Functional Cloning Using a Xenopus Oocyte Expression System

Published on: January 30, 2016

Standardized Modular Assembly of Polycistronic Operons with Modular Cloning (MoClo) using the In-Cloning toolkit
06:28

Standardized Modular Assembly of Polycistronic Operons with Modular Cloning (MoClo) using the In-Cloning toolkit

Published on: September 2, 2025

Manipulation of Ploidy in Caenorhabditis elegans
07:54

Manipulation of Ploidy in Caenorhabditis elegans

Published on: March 15, 2018

Area of Science:

  • Quantum Information Theory
  • Quantum Entanglement
  • Quantum State Cloning

Background:

  • A known link exists between the inability to perfectly clone an unknown quantum state and the inability to create maximal entanglement among multiple spins.
  • However, a quantitative relationship connecting the degree of entanglement generation and the fidelity of quantum state cloning was previously lacking.

Purpose of the Study:

  • To establish a quantitative link between quantum state cloning fidelity and entanglement generation capabilities.
  • To develop a method for optimally implementing Completely Positive maps as teleportation operations.
  • To solve the problem of arbitrary 1-to-N asymmetric cloning for d-dimensional spins.

Main Methods:

  • Defined sufficient conditions for optimal implementation of Completely Positive maps via teleportation.
  • Introduced and utilized the concept of "singlet monogamy" to analyze asymmetric quantum state cloning.
  • Applied the derived relations to calculate properties of Heisenberg spin systems.

Main Results:

  • Successfully established a quantitative relationship between quantum state cloning and entanglement.
  • Developed an exact solution for arbitrary 1-to-N asymmetric cloning of d-dimensional spins.
  • Demonstrated the utility of "singlet monogamy" in analyzing quantum systems.

Conclusions:

  • The study bridges the gap between quantum state cloning and entanglement, introducing 'singlet monogamy'.
  • This new concept provides exact solutions for asymmetric cloning and offers insights into Heisenberg systems.
  • The findings advance the understanding of fundamental limits and capabilities in quantum information processing.