Skip to main content
Pearson+ LogoPearson+ Logo
Ch. 27 Reproduction and Embryonic Development
Taylor - Campbell Biology: Concepts & Connections 10th Edition
Taylor, Simon, Dickey, Hogan10th EditionCampbell Biology: Concepts & ConnectionsISBN: 9780136538783Not the one you use?Change textbook
Chapter 27, Problem 18

Should parents undergoing in vitro fertilization have the right to choose which embryos to implant based on genetic criteria, such as the presence or absence of disease-causing genes? Should they be able to choose based on the sex of the embryo? How could you distinguish acceptable from unacceptable criteria? Do you think such options should be legislated?

Verified step by step guidance
1
Understand the ethical and biological implications of in vitro fertilization (IVF) and genetic screening. IVF involves fertilizing an egg outside the body and implanting the resulting embryo into the uterus. Genetic screening allows for the identification of specific genes or traits in embryos before implantation.
Consider the scientific basis for genetic screening. For example, screening for disease-causing genes involves identifying mutations in DNA that are linked to specific genetic disorders. This process uses techniques such as preimplantation genetic testing (PGT).
Evaluate the ethical considerations of selecting embryos based on genetic criteria. For instance, selecting against disease-causing genes may be seen as a way to prevent suffering, but selecting for non-medical traits, such as sex, raises concerns about societal biases and discrimination.
Distinguish acceptable from unacceptable criteria by considering the intent and impact of the selection. Acceptable criteria might focus on preventing severe genetic diseases, while unacceptable criteria might involve non-medical preferences that reinforce stereotypes or inequality.
Reflect on whether legislation should regulate these practices. Consider the balance between individual rights, societal values, and the potential for misuse of genetic technologies. Laws could help ensure ethical practices while respecting personal autonomy.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
1m
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

In Vitro Fertilization (IVF)

In vitro fertilization is a medical procedure where an egg is fertilized by sperm outside the body, in a laboratory setting. This process allows for the selection of embryos before implantation, which can include genetic screening to identify disease-causing genes. Understanding IVF is crucial for discussing the ethical implications of embryo selection based on genetic criteria.
Recommended video:
Guided course
01:59
Fertilization

Genetic Screening

Genetic screening involves testing embryos for specific genetic conditions or traits before implantation. This can help parents make informed decisions about which embryos to implant, potentially reducing the risk of genetic diseases. The ethical considerations surrounding genetic screening raise questions about the implications of 'designer babies' and the societal impact of selecting embryos based on genetic traits.
Recommended video:

Ethical Considerations in Reproductive Technology

The use of reproductive technologies like IVF and genetic screening brings forth various ethical dilemmas, including the rights of parents to choose embryos and the potential for discrimination based on genetic traits or sex. Distinguishing acceptable from unacceptable criteria involves examining societal values, potential consequences, and the moral implications of such choices, which may warrant legislative oversight.
Recommended video:
Guided course
02:30
Introduction to DNA-Based Technology