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Genetics Final Exam Study Guaranteed Success Key Concepts in Genetics and Cancer 1. Greatest Risk Factor for Cancer: - Age is the greatest risk factor for developing cancer. 2. Function of the Immune System: - The immune system works by attacking anything recognized as foreign. 3. Example o...

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  • August 29, 2024
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Genetics Final Exam Study Guaranteed Success


Key Concepts in Genetics and Cancer



1. Greatest Risk Factor for Cancer:

- Age is the greatest risk factor for developing cancer.



2. Function of the Immune System:

- The immune system works by attacking anything recognized as foreign.



3. Example of Basic Research:

- An example of basic research is studying how plants convert carbon dioxide into sugar.



4. Definition of Genetics:

- Genetics is defined as the scientific study of heredity.



5. DNA Components:

- The DNA components adenine, thymine, guanine, and cytosine are known as bases.



6. Gregor Mendel's Contribution:

- Gregor Mendel claimed that each individual carries a pair of "factors" for a given trait.



7. Current Terminology for Mendel's "Factors":

- What Mendel referred to as "factors" is now called genes.



8. Prior Predictions About Rose Crossbreeding:

- Before Mendel's principles were understood, one might have predicted that crossbreeding a red rose
with a yellow rose would result in all orange roses.

,9. Purpose of Karyotypes:

- The primary purpose of preparing karyotypes is to diagnose or rule out specific genetic disorders.



10. Eugenics Overview:

- Eugenics is regarded as a dubious method aimed at improving the human species through selective
breeding.



11. Significance of Carrie Buck:

- Carrie Buck is notable in genetics history because she was sterilized after a U.S. Supreme Court ruling
deemed her feebleminded.



12. Hereditarianism Concept:

- Hereditarianism posits that all human traits are solely determined by genes.



13. Decline of the Eugenics Movement:

- The decline of eugenics in the U.S. during the early 20th century was influenced by its misuse for
social and political ends by the Nazis.



14. Induced Pluripotent Stem Cells:

- Induced pluripotent stem cells are produced from normal body cells.



15. Gene Therapy Explanation:

- Gene therapy is best described as the insertion of normal genes to replace mutant ones.



16. Impactful Methods in Human Genetics:

- The methods of molecular genetics have significantly impacted human genetics in recent decades.



17. Human Pedigree Representation:

- A human pedigree represents the inheritance of a trait across several generations within a family.

,18. Genomics and Recombinant DNA Technology:

- The development of recombinant DNA technology initiated the genomic era, allowing geneticists to
plan the sequencing of the human genome's 3.2 billion nucleotides.



19. Nucleotide Sequence Function:

- The nucleotide sequence specified by a gene determines the phosphate groups that make up
proteins. (Note: This statement may need revisiting; the nucleotide sequence actually encodes amino
acids, not phosphate groups, which are part of the nucleotide structure.)



20. Transmission Genetics Studies:

- Transmission genetics focuses on the patterns of inheritance as traits are passed down through
generations.



21. Translational Medicine:

- The integration of research and medicine that aims to quickly translate findings into methods for
diagnosing and treating diseases is known as translational medicine.



22. SNP (Single Nucleotide Polymorphism):

- The simplest form of genetic variation is a single nucleotide change called an SNP.



23. Haplotype Definition:

- A set of genetic markers that are located close together on a single chromosome is referred to as a
haplotype.



24. DNA Microarrays Functionality:

- New technologies allow for screening an individual's entire genome using DNA microarrays that
contain DNA from across the human genome.



25. Composition of Genes:

- In the mid-20th century, it was discovered that genes are composed of DNA, which is part of cellular
structures known as chromosomes.

, 26. Recombination Process:

- The process by which genes move from one chromosome to another is known as recombination.



27. Structure of Nucleotides:

- Each nucleotide in a DNA strand is made up of a sugar, a base, and a phosphate group.



28. Amino Acid Functionality:

- Chemical subunits called amino acids combine to form proteins.



29. Pattern of Inheritance in Transmission Genetics:

- Transmission genetics examines the patterns of inheritance as traits are transmitted from generation
to generation.



30. Cytogenetics Field:

- Cytogenetics is the branch of genetics focused on mapping genes and studying chromosome
structure and abnormalities.



31. DNA Structure and Function:

- DNA is a helical molecule made up of two strands of nucleotides that serves as the primary carrier of
genetic information.



In 1927, the U.S. Supreme Court upheld the right of states to use ____________________ as a means of
preventing reproduction by those deemed "unfit." ✔️Sterilization



Recombinant DNA technology has been used for over 30 years to produce ____________________ in
bacteria for the treatment of diabetes. ✔️Insulin



Results from the ____________________ and the development of new technologies have revolutionized
the detection, diagnosis, and treatment of cancer. ✔️Human Genome Project

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