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What do Christian ethical teachings say about bioethics, and how are they derived from Christian sources?

Describe and explain Christian ethical teachings on bioethics, and outline how these teachings are derived from sources of authority such as Scripture, tradition and the natural law

A focused answer to Christian ethics in the area of bioethics. Covers the sources of Christian ethical authority (Scripture, tradition, natural law and conscience), the principle of the sanctity of life, and how teachings apply to issues such as abortion, IVF, embryonic research and euthanasia, noting variation across denominations.

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What this dot point is asking

NESA wants you to describe and explain Christian ethical teachings in ONE area (bioethics, environmental ethics or sexual ethics) and show how they are derived from sources of authority. This page covers bioethics. You need the sources of Christian ethical authority, the core principles (above all the sanctity of life), and how these apply to bioethical issues, with awareness of denominational variation. This is the ethics component of the Christianity depth study, examined in both Studies of Religion I and II.

The answer

Sources of Christian ethical authority

Christian ethical teaching is derived from several sources, which different traditions weight differently:

  • Scripture. The Bible, especially the moral teaching of Jesus (love of God and neighbour) and texts on the dignity of human life made in the image of God.
  • Tradition. The accumulated teaching of the Church. In Catholicism, the magisterium (the teaching authority, expressed in documents and the Catechism) carries great weight.
  • Natural law. Especially in Catholic thought, the idea that human reason can discern moral order in creation; life is to be protected because it is a basic good.
  • Conscience and reason. Many traditions, particularly Protestant, emphasise the informed conscience of the believer guided by Scripture and prayer.

The central principle: sanctity of life

The foundational bioethical principle is the sanctity of life: human life is sacred because humans are created in the image of God (imago Dei) and life is a gift from God. This grounds Christian caution about practices that begin, manipulate or end human life.

Application to bioethical issues

Abortion
Many Christians, especially the Catholic Church, teach that life begins at conception and that deliberate abortion is gravely wrong because it ends an innocent human life. Some Protestant traditions allow more scope for individual conscience and for circumstances such as risk to the mother.
IVF and reproductive technology
Views vary. The Catholic Church raises concerns about procedures that separate procreation from the marital act and about the creation and destruction of surplus embryos. Many Protestant traditions are more accepting, weighing the good of helping couples conceive.
Embryonic stem-cell research
Traditions that hold life begins at conception generally oppose research that destroys embryos, while supporting ethically sourced alternatives such as adult stem cells.
Euthanasia
Most Christian traditions oppose intentionally ending life, holding that suffering should be met with palliative care and compassion rather than deliberate killing, while accepting that aggressive treatment may sometimes be withdrawn when it is futile.

Denominational variation

A strong answer recognises that Christianity is not monolithic. Catholic, Orthodox, mainline Protestant, evangelical and progressive traditions can reach different conclusions on the same issue because they weight Scripture, tradition, natural law and conscience differently.

Exam-style practice questions

Practice questions written in the style of NESA exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.

2022 HSC3 marksDescribe ONE ethical teaching in Christianity. In your answer, refer to ONE of the following: Bioethics, Environmental ethics, Sexual ethics.
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Choose Bioethics. For 3 marks, name the teaching, describe its content, and link it to a Christian source.

Teaching: the sanctity of life, the belief that human life is sacred because each person is made in the image of God (imago Dei, Genesis 1:27) and life is a gift from God.

Describe it: this principle requires the protection of human life from conception to natural death and shapes Christian positions on abortion, IVF, embryonic stem-cell research and euthanasia. For example, the Catholic Church teaches that destroying embryos is gravely wrong because each embryo is a human life.

Source it: the teaching is derived from Scripture (the commandment "You shall not kill", Exodus 20:13), natural law, and Church tradition. A response that names the sanctity of life, describes how it guides a bioethical issue, and cites a source earns all three marks.

2024 HSC5 marksExplain how ONE outlined ethical teaching is reflected in ONE of the following areas within the religious tradition of Christianity: Bioethics, Environmental ethics, Sexual ethics.
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This 5-mark part asks you to explain how a teaching you have outlined is reflected in your chosen area. Choose Bioethics; assume the outlined teaching is the sanctity of life.

Explain the reflection.

  1. The sanctity of life means human life is sacred from conception, so most Christian denominations oppose abortion and active euthanasia as direct taking of innocent life.
  2. The same principle shapes views on IVF and embryonic research: the Catholic Church objects where embryos are destroyed, while some Protestant churches allow more latitude, showing internal diversity.
  3. The teaching is grounded in Scripture and natural law and applied through conscience, the magisterium and denominational statements.
  4. The positive dimension is care for the sick and dying through palliative care, reflecting respect for life rather than hastening death.

For full marks, keep linking the bioethical position back to the sanctity-of-life belief and acknowledge denominational variation.