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Implications of Animal Cloning Experiments for the Potential Cloning of Human Beings

James Robl, University Mass Amherst 

In vitro development of bovine nuclear transfer embryos using three different fibroblast cell lines

Treatment  Cleavage (%)  Blastocyst (%)
Control  936  585 (63)  178 (19)
CL1  3713  2271 (61)  377 (10)
CL2  233  125 (54)  21 (9)
CL3  672  495 (75)  30 (5)
BAF (adult fibrosis) 516  Na  43 (8)

Pregnancy results (40 days) after transfer of NT derived embryos using fetal and adult fibroblast

Treatments  Embryos 
Trans (2/cow) 
pregnant (%)
Fetuses Recovered
at 42-50 days (%)
Fetal fibroblasts  38  10 (42)  5 (31)
Adult fibroblast  18  5 (28)  0 (0)

In vivo development of nuclear transfer embryos (CL1 cell line)

Embryos per cow  Total
Total cows transferred  48
Open  30
Pregnant  18
% pregnant  38
Abortions  10
% Abortions  56
Abortions prior to 45 days  5
Abortions beyond 45 days  5
Calves to terms  8
Normal calves to term  7
% normal calves to term/cows transf.  15
% nomal calves to term/pregnant cows  39

Email link | Feedback | Contributed by: Boston University. Video adapted from the Issues for the Millennium Workshop

Implications of Animal Cloning Experiments for the Potential Cloning of Human Beings

Introduction: Jensine Andresen and Robert Neville
John Westling - Introduction: Do we have dominion over ourselves?
Overcoming Preconception Relating to Assisted Reproductive Technologies
Production of Embryonic Stem Cells from Differentiated Somatic Cells
Application of Cloning to the Production of Biopharmaceuticals to Treat Human and Animal Disease
Xenotransplantation and its Associated Safety and Ethical Issues
Excluding Life from Patenting: Arguments against the Patenting of Genes
Science Panel Discussion
Ethical Challenges in a Post Genome Era
Human Rights and the New Genetics
Human Rights and Cloning
Democratizing Decision Making Relating to Biotechnology
Genetics, the Market, and Policy
Much Ado About Mutton: An Ethical Review of the Cloning Controversy
Why Worry about Human Cloning?
Modified Natural-Law Approach to Genetic Technologies
Ethics Panel Discussion
The World is Our Parish...So...?
Re-engineering Creation: Theological Reservations Concerning Genetic Technology
Possible Presbyterian Responses to Cloning
Biostewardish Updates
No, Not Yet, Maybe, and Why Not: Protestant Ambivalence Or Moral Discretion?
Beginning Reflections of One Unitarian Universalist on Cloning and Genetic Technologies
A Catholic Perspective on Cloning and Stem Cell Research
Created in Whose Image and Likeness? An Orthodox Christian Approach to Human Cloning
Thomas Shannon - "Playing God"
But Who Speaks for Me? The Need for the Religous Voice in Bioethics
In God's Garden: Creation and Cloning in Jewish Thought
A Jewish Perspective on Cloning and Other Techniques to Overcome Infertility
Islamic Perspectives on Cloning and Genetic Enginerring
A Hindu View based on Dharma, Karma and Yoga of Human Cloning and Genetic Technologies
The Bioethics of Interdependence: Shin Buddhist Attitudes on Human Cloning
Moral Imagination
Interreligious Panel Discussion
Science and the Courts
Beyond Biology: Regulating Ownership in a Knowledge-based Economy
Biotechnology and International Trade
Disharmonization in Agricultural Biotechnology
Historical Notes Relating to the Patenting of Biological Inventions
Should Morality be Within the Purview of Patent Law?
The International Treatment of Biotechnological Intellectual Property (BIP)
Legal Issues Panel Discussion
Science, Politics and Ethics of Cloning and Genetic Engineering: Who will Decide the Future of Humankind?
Cloning and Beyond: Making Laws for Making Babies
Issues For the Millennium: Cloning and Genetic Technologies - Index


Boston University

See also:

Pain and Suffering
Books on Biology, Genetics and Theology
Dolly the Cloned Sheep
Egg Manipulation
DNA Double-Helix