BIO 212 HUMAN BIOLOGY LAB NOTEBOOK
16th Edition
ISBN: 9781307769883
Author: Mader
Publisher: MCG/CREATE
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Chapter 23.3, Problem 2QTC
Summary Introduction
To analyze:
The difficulty in using genetic engineering to modify a trait determined by multiple gene interactions.
Introduction:
Genetic engineering is being used these days to modify existing traits in organisms. An example is gene therapy where the faulty gene in the organism is replaced by the right gene, reversing the harmful
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Chapter 23 Solutions
BIO 212 HUMAN BIOLOGY LAB NOTEBOOK
Ch. 23.1 - Describe how Mendel's law of segregation and law...Ch. 23.1 - Define the term allele, and explain what it means...Ch. 23.1 - Contrast genotype and phenotype, and use...Ch. 23.1 - Predict outcome ratios and probabilities for...Ch. 23.1 - Prob. 1QTCCh. 23.1 - 2. Decide the reasons listed in the feature, what...Ch. 23.1 - Prob. 3QTCCh. 23.1 - Distinguish between the terms genotype and...Ch. 23.1 - Explain the purpose of testcross.Ch. 23.1 - Prob. 3CYP
Ch. 23.1 - Describe the types of process that result in a 3:1...Ch. 23.2 - Recognize autosomal dominant and autosomal...Ch. 23.2 - Analyze pedigree to determine the probability of a...Ch. 23.2 - Describe the characteristics of a Pedigree for an...Ch. 23.2 - Prob. 2CYPCh. 23.3 - Prob. 1LOCh. 23.3 - Prob. 2LOCh. 23.3 - Describe polygenic inheritance.Ch. 23.3 - What would be the potential consequences if one of...Ch. 23.3 - Prob. 2QTCCh. 23.3 - Prob. 1CYPCh. 23.3 - Prob. 2CYPCh. 23.4 - Prob. 1LOCh. 23.4 - Understand how scientists determine the effect of...Ch. 23.4 - Prob. 1CYPCh. 23.4 - Prob. 2CYPCh. 23 - Prob. C2BYBCh. 23 - Prob. S5.4BYBCh. 23 - Prob. S5.6BYBCh. 23 - The law of segregation states all of the following...Ch. 23 - Prob. 2ACh. 23 - Prob. 3ACh. 23 - Prob. 4ACh. 23 - Prob. 5ACh. 23 - Prob. 6ACh. 23 - Which of the following does not have an autosomal...Ch. 23 - 8. Which of the following does not describe the...Ch. 23 - Prob. 9ACh. 23 - Prob. 10ACh. 23 - Prob. 11ACh. 23 - Prob. 12ACh. 23 - Prob. 1TCCh. 23 - How would you determine whether a disease in...Ch. 23 - Prob. 3TC
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- Often geneticists want to change one allele in an outcrossing organism while keeping the rest of the genome the same. For example, they might wish to take a specially designed stock of flies and alter the eye color from red to white. Suppose that the white-eye allele is dominant, meaning that flies with one or two white-eye alleles will have white eyes. One procedure used is to take a white-eyed fly and cross it with the red-eyed stock. The whiteeyed offspring are then considered to be the first generation, and are crossed with the red-eyed stock. Their white-eyed offspring are considered to be the second generation, and are again crossed with the red-eyed stock, and so forth. The special red-eyed stock is homozygous for the desirable allele A at some other locus, but the white-eyed fly is homozygous for the inferior a allele at that locus. How many back-crosses would be necessary to purge 99.9999% of the inferior genes from the white-eyed fly?arrow_forwardWhat is the downside of using genetic engineering?arrow_forwardWhat is your opinion on the use of DNA engineering in creating perfect genes of babies?arrow_forward
- Which of the following is an example of how genotype and environmental factors can work together to determine phenotype? O a) Temperature-senitive mutations O b) Nutritional factors resulting in epigenetic modification of genes c) Sex-influenced inheritance O d) Both A and B O e) Both A and Carrow_forwardHow does pedigree analysis complement other methods for studying human genetics?arrow_forwardWhy is artificial selection or selective breeding considered a form of genetic engineering?arrow_forward
- Do you believe that genetic engineering is more helpful or harmful? How?arrow_forwardForward Genetics Analysis uses a variety of beneficial approaches to identify never before described For each of the following approaches or outcomes, briefly (maximum 2 sentences) discuss in your own words, their purpose in Forward Genetics Analysis. genes. a) Parental cross b) F1 X F1 crossarrow_forwardA farmer wants to breed a variety of taller corn.a) How can the farmer use variation in the height of thecurrent corn plants to produce taller corn plants?b) Will the farmer's work be most effective if height incorn plants is determined by polygenic inheritance,multiple alleles, or co-dominant alleles? Explain.c) The farmer finds that many of the tallest corn plantsare also very susceptible to a particular disease. Howcould the farmer design an experiment to find outif the genes for height are linked to the genes forresistance to the disease?d) If these genes are linked, what steps could the farmertake to create a breed of corn that is taller and moredisease-resistant than the current corn crop?arrow_forward
- 1.) A farmer wants to breed a variety of taller corn. a) How can the farmer use variation in the height of the current corn plants to produce taller corn plants? b) Will the farmer’s work be most effective if height in corn plants is determined by polygenic inheritance, multiple alleles, or co-dominant alleles? Explain. c) The farmer finds that many of the tallest corn plants are also very susceptible to a particular disease. How could the farmer design an experiment to find out if the genes for height are linked to the genes for resistance to the disease?arrow_forwardGenetics is commonly seen as being grouped into several general areas: transmission, molecular, and population/evolution. Which biological processes are studied in transmission genetics?arrow_forwardIn addition to physical traits, gene sequences can be used when comparing related species. Instead of looking for the presence or absence of a specific gene, you would look at the percent similarity between the same gene in two or more species. Therefore, it is important to select a gene that contains a similar DNA gene sequence in each of the species being compared. Certain genes are involved in processes that are required for basic cellular function. As these processes are critical to cell function, the genes that regulate them are highly conserved, meaning that they have remained essentially unchanged over time. Glycolysis is one such process that is critical for cellular metabolism. Glycolysis involves converting glucose into pyruvate in order to generate ATP, the energy currency of the cell. Because glycolysis is an essential process for all species, the genes involved are therefore highly conserved. You will be looking at similarities among different taxa of the highly conserved…arrow_forward
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