EBK CONCEPTS OF GENETICS
EBK CONCEPTS OF GENETICS
12th Edition
ISBN: 9780134818979
Author: Killian
Publisher: YUZU
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Chapter 1, Problem 1PDQ

Describe Mendel’s conclusions about how traits are passed from generation to generation.

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Summary Introduction

To describe: The conclusion of Mendel about the inheritance of traits over several generations.

Introduction: Inheritance is a mechanism in which traits of the parents transfer into the offsprings of the next generation. Gregor Mendel was a monk, and he discovered three laws that describe the inheritance of factors from parents to offsprings.

Explanation of Solution

Gregor Mendel conducted experiments for many years using pea plants. Mendel analyzed his results quantitively and concluded that traits are transferred from one generation to another generation.

According to Mendel's conclusion, a pair of factors control the expression of a trait (a term that was used by Mendel for genes), and each factor of the pair segregate from each other during gamete formation. He found the results in 1866, but it was not known to other scientists because of the lack of mode of communication. He published his findings around 1900 and then his work was appreciated.

Conclusion

Thus, Mendel concluded that in pea plants, a pair of factors control the expression of the traits because one factor gets segregated from another factor during gamete formation.

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Imagine that you are a clinical geneticist. Your colleague is an oncologist who wants your help explaining the basics of genetics to their patient, who will be undergoing genetic testing in the coming weeks for possible acute myeloid leukemia (AML) induced by the radiation she had several years ago for breast cancer. Write a 1,050- to 1,225-word memo to your colleague. Include the following in your memo: An explanation of the molecular structure of DNA and RNA, highlighting both similarities and differences  A description of the processes of transcription and translation An explanation of the differences between leading and lagging strands and how the DNA is replicated in each strand Reponses to the following common questions patients might ask about this type of genetic testing and genetic disorder: Does AML run in families? What genes are tested for?
Respond to the following in a minimum of 175 words: What are some potential consequences that could result if the processes of replication, transcription, and translation don’t function correctly? Provide an example of how you might explain these consequences in terms that patients might understand.
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