Problem 12 The same birth defect syndrome c... [FREE SOLUTION]

Chapter 3: Problem 12

The same birth defect syndrome can be caused by a mutant gene or exposure to a teratogen. How do the consequences of each cause differ for future generations?

Short Answer

Expert verified

Birth defects caused by a mutant gene could potentially be passed onto future generations, depending on the type of mutation and its inheritance pattern. In contrast, birth defects caused by exposure to a teratogen cannot be genetically passed on as they don't alter the DNA. However, continuous exposure to the teratogen could affect future pregnancies.

Step by step solution

Understanding the Difference Between Genetic Defects and Teratogens

Firstly, it must be understood that genetic defects are caused by mutations in an individual's DNA. These mutations can occur spontaneously or be inherited from parents. A defect caused by a mutant gene will be present in every cell of the individual's body, and can be passed on to future generations if the individual reproduces. On the other hand, teratogens are external agents that can cause defects in an unborn child when the mother is exposed during pregnancy. While these can cause serious defects, they cannot change an individual's DNA and therefore cannot be passed onto future generations.

Consequences for Genetic Defects

The consequences for future generations in the instance of genetic defects are clear. If an individual with a birth defect caused by a mutant gene reproduces, there is a chance they will pass on this gene to their offspring. The exact risk depends on whether the mutation is dominant or recessive, and whether one or both parents carries the mutation.

Consequences for Teratogens

If a birth defect is caused by exposure to a teratogen, there are generally no direct consequences for future generations. The birth defect does not change the individual's DNA, so it cannot be passed on. However, if exposure to the teratogen continues in the environment, it could potentially affect future pregnancies.

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Recommended explanations on Biology Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

91影视

The same birth defect syndrome can be caused by a mutant gene or exposure to a teratogen. How do the consequences of each cause differ for future generations?

Short Answer

Step by step solution

Understanding the Difference Between Genetic Defects and Teratogens

Consequences for Genetic Defects

Consequences for Teratogens

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Biology Textbooks

Biological Molecules

Control of Gene Expression

Microbiology

Astrobiological Science

Energy Transfers

Organ Systems

Study anywhere. Anytime. Across all devices.