Genetics: Analysis and Principles
5th Edition
ISBN: 9780073525341
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 1, Problem 3CONQ
Most genes encode proteins. Explain how the structure and function of proteins produce an organism’s traits.
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Most genes encode proteins. Explain how the structure and function of proteins produce an organism’s traits
Many aspects of gene function can be nicely explained with the one-gene-one-enzyme hypothesis, which states that a gene controls the production of an enzyme. Which of the following findings about gene expression, though, requires an expansion of this simple concept?
Choose an answer below:
Non-enzyme proteins are made from genes too.
Some genes code for RNA molecules only.
Enzymes composed of different polypeptides are coded for by more than one gene.
a and c, but not b
a, b, and c
Explain why structural changes in genes located on chromosomes may affect proteins and may result in harmful, beneficial, or nuetral effects to the structure and function of the organism
Chapter 1 Solutions
Genetics: Analysis and Principles
Ch. 1.1 - 1. Which of the following is not a constituent of...Ch. 1.1 - 2. A gene is a segment of DNA that has the...Ch. 1.1 - The function of the genetic code is to a. promote...Ch. 1.1 - The process of transcription directly results in...Ch. 1.2 - Gene expression can be viewed at which of the...Ch. 1.2 - 2. Variation in the traits of organisms may be...Ch. 1.2 - 3. A human skin cell has 46 chromosomes. A human...Ch. 1.2 - 4. Evolutionary change caused by natural selection...Ch. 1.3 - Which of the following is not a model organism? a....Ch. 1.3 - A person studying the rate of transcription of a...
Ch. 1.3 - The scientific method involves which of the...Ch. 1 - Pick any example of a genetic technology and...Ch. 1 - Prob. 2CONQCh. 1 - Most genes encode proteins. Explain how the...Ch. 1 - Prob. 4CONQCh. 1 - Prob. 5CONQCh. 1 - Prob. 6CONQCh. 1 - Prob. 7CONQCh. 1 - Your textbook describes how the detrimental...Ch. 1 - Prob. 9CONQCh. 1 - Prob. 10CONQCh. 1 - Prob. 11CONQCh. 1 - Prob. 12CONQCh. 1 - 13. With regard to biological evolution, which of...Ch. 1 - 14. What are the primary interests of researchers...Ch. 1 - What is a genetic cross?Ch. 1 - Prob. 2EQCh. 1 - Prob. 3EQCh. 1 - 4. Many organisms are studied by geneticists. Do...Ch. 1 - Prob. 5EQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Many aspects of gene function can be nicely explained with the one- gene-one-enzyme hypothesis, which states that a gene controls the production of an enzyme. Which of the following findings about gene expression, though, requires an expansion of this simple concept? Non-enzyme proteins are made from genes too. Some genes code for RNA molecules only. Enzymes composed of different polypeptides are coded for by more than one gene. a and c, but not b a, b, and carrow_forwardExplain four essential characteristics of a genetic material.arrow_forwardDescribe the molecular aspects of the storage, expression, and transmission of genetic information.arrow_forward
- Explain the relationship among the following terms: genomics, proteomics, gene, protein, genotype, and phenotype. minimum of 500 words please!arrow_forwardWhat is a gene? Provide at least two different definitions and explain.arrow_forwardE. How many nucleotides would be required to generate a polypeptide that is 15 amino acids long? This requires knowing how many nucleotides of DNA code for one amino acid. F. Assuming that there are between 20,000-25,000 genes in the human genome, do you think there are 1) fewer, 2) approximately the same number, or 3) more proteins in the human genome? Explain your answer.arrow_forward
- Describe the Central Dogma of molecular genetics and the three processes that drive the flow of genetic information in an organism.arrow_forwardDescribe the structure, location, and function of a gene.arrow_forwardDetermine which statements could be used as evidence to support the argument that "DNA influences the proteins that are made" and which statements are just facts. [Select all that apply.] The HBB gene that makes beta-globin has several abnormal alleles, including HbS, HbC, and HbE. Sickle cell disease has been successfully treated using bone marrow transplantation in children and adults. The symptoms of sickle cell anemia may not appear in individuals who only carry one HbS allele, but are always apparent when both alleles are HbS. If oxygen is removed from red blood cells made by two HbS alleles, the cell will form a sickle shape.arrow_forward
- When comparing evolutionary similarities between different genes within a gene family, it is usually more straightforward to compare genes by using the protein sequences of gene products rather than DNA sequences of the genes themselves. Explain why this is the case. (Cover 4 points)arrow_forwardExplain the nature of the genetic material.arrow_forwardA hereditary disease is inherited as an autosomal recessive trait. The wild-type allele of the disease gene produces a mature mRNA that is 1250 nucleotides (nt) long. Molecular analysis shows that the mature mRNA consists of four exons that measure 400 nt (exon 1), 320 nt (exon 2), 230 nt (exon 3), and 300 nt (exon 4). A mother and father with two healthy children and two children with the disease have northern blot analysis performed. The results of the northern blot for each family member are shown below. a) Identify the genotype of each family member, using the size of mRNAs to indicate each allele. (For example, a person who is homozygous wild type is 1250/1250). b) Based on your analysis, what is the most likely molecular abnormality causing the disease allele?arrow_forward
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