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Reproductive Cloning

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...

CRISPR

CRISPR

Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced Short...

Reproductive Cloning

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...

Introduction to Nuclear Reprogramming

Introduction to Nuclear Reprogramming

Nuclear reprogramming is the process of switching gene expression of one cell type to that of another cell type, usually from a differentiated cell state to an undifferentiated cell state. Differentiation occurs during processes such as development and morphogenesis, tissue regeneration, and malignancy. Cells can also be artificially induced to reprogram their gene expression by techniques such as nuclear transfer, induced pluripotency, and cell fusion. Such techniques have many applications in...

Cloning of Dolly the Sheep

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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...

Methods of Nuclear Reprogramming

Methods of Nuclear Reprogramming

Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell’s original gene expression pattern. Such epigenetic changes force cells to express a different set of genes, which play a significant role in inducing transformation into other cell types. Nuclear reprogramming offers applications in reproductive cloning for livestock propagation and regenerative medicine — developing patient-specific cells for injury repair.

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Related Experiment Video

Updated: Jul 21, 2026

Application of Mouse Parthenogenetic Haploid Embryonic Stem Cells as a Substitute of Sperm

Application of Mouse Parthenogenetic Haploid Embryonic Stem Cells as a Substitute of Sperm

Published on: November 19, 2020

Human cloning: three mistakes and an alternative.

Françoise Baylis¹

¹Departments of Bioethics and Philosophy, Dalhousie University, Halifax, Nova Scotia, B3H 4H7, Canada. francoise.baylis@dal.ca

The Journal of Medicine and Philosophy

|August 21, 2002

Summary

Human cloning is more than reproductive technology; viewing it as enhancement technology reveals deeper ethical and societal implications for the human species. This perspective encourages exploring new questions about species modification.

Keywords:

Analytical Approach Genetics and Reproduction

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A Simple Microaspiration Technique for Isolating Somatic Cells from Cryopreserved Equine Semen as Nuclear Donors for Cloning

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Area of Science:

Bioethics
Human Cloning
Reproductive Technology

Background:

Current ethical debates on human cloning are limited by a narrow focus on reproductive aspects.
This restricted view overlooks the broader implications of cloning technology for human identity and species evolution.

Purpose of the Study:

To reframe the discourse on human cloning by considering it as both a reproductive and an enhancement technology.
To address underexplored societal and species-level concerns arising from human cloning.

Main Methods:

Conceptual analysis of human cloning technology.
Ethical framework re-evaluation.

Main Results:

Viewing human cloning as an enhancement technology, alongside its reproductive applications, broadens the ethical and societal considerations.
This expanded perspective highlights the potential for species modification and its associated challenges.

Conclusions:

A shift in the analytical framework for human cloning is necessary to fully grasp its ethical and societal impact.
Recognizing human cloning as an enhancement technology opens critical discussions on the future of the human species.