Homework Answers
Genetic variation can be partitioned into:
1. Additive variance: It refers to the deviation from the mean phenotype occurred because of inheritance of a particular allele from the parent and its independent effect on phenotype expression.
2. Dominance variance: This genetic variance involves deviation due to interactions between alternative alleles. It controls one trait at one specific locus.
3. Interactive variance: Also called Epistatic variance. It involves interaction between different alleles in different loci.
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Part A Which three types of variance can genetic variance be partitioned into? Select the three...
Suppose a graduate student is studying a population of bluebonnets along a roadside. The plants in...
Suppose a graduate student is studying a population of bluebonnets along a roadside. The plants in this population are genetically variable. She counts the seeds produced by 100 plants and measures the mean and variance of seed number. The variance is 20. Selecting one plant, the student takes cuttings from it and cultivates them, producing many genetically identical clones. She then transplants these clones into the roadside population, allows them to grow for one year, and then counts the number...
Each summer, farmers compete to grow the largest pumpkin, which can weigh thousands of pounds. They...
Each summer, farmers compete to grow the largest pumpkin, which
can weigh thousands of pounds. They go to great lengths to help
their pumpkin grow, including using extra fertilizer, heaters on
cool spring days, and enclosures to reduce herbivory by
insects.
Suppose that botanists measure the variation in pumpkin weight
due to genetic composition and environmental factors. They measure
variation in standard deviations. Variation due to genetic
composition equals 254 pounds, whereas the variation due to
environmental factors equals 385...
1.) The height of a type of bean plants is determined by five unlinked genes called...
1.) The height of a type of bean plants is determined by five unlinked genes called A, B, C, D, and E. Each gene has two alleles: additive (uppercase letter) and nonadditive (lowercase letter). A.) How many phenotypic classes would you expect? B.) The shortest plants are 130 cm. The tallest plants are 220 cm. Estimate how many centimeters each allele contributes to the height difference. C.) The genotypes are known for two bean plants. Plant 1 is genotype AABbccDdEE....
Each summer, farmers compete to grow the largest pumpkin, which can weigh thousands of pounds. They...
Each summer, farmers compete to grow the largest pumpkin, which can weigh thousands of pounds. They go to great lengths to help their pumpkin grow, including using extra fertilizer, heaters on cool spring days, and enclosures to reduce herbivory by insects. Suppose that botanists measure the variation in pumpkin weight due to genetic composition and environmental factors. They measure variation in standard deviations. Variation due to genetic composition equals 254 pounds, whereas the variation due to environmental factors equals 385...
Multiple choice: 1) Which of the following can effect the expression of a phenotype? A. environment...
Multiple choice: 1) Which of the following can effect the expression of a phenotype? A. environment B. epistasis C. incomplete penetrance D. variable expressivity E. all of the above 2) Humans with the disorder PKU develop light colored hair. What kind of genetic effect is this? A. epistatic B. pleiotropic C. phenotypic D. variable expressivity E. incomplete penetrance 3)The ability to produce the M and N antigens is determined by a gene with two alleles. Heterozygotes for the trait...
1. Which types of cells can produce memory cells? Select the TWO answers that are correct....
1. Which types of cells can produce memory cells? Select the TWO answers that are correct. B cells O cytotoxic T cells Oneutrophils macrophages O helper T cells 2. What must happen in order for a vaccine to confer immunity? Select the TWO answers that are correct. OThe vaccine should have the specific antibodies to the pathogen in it. O The vaccine should prompt the immune system to produce antibodies to the pathogen. O The vaccine will cause a mild...
2. According to genetic theory, there are three blood types MM, NM and NN which should...
2. According to genetic theory, there are three blood types MM, NM and NN which should occur in a very large population with probabilities, O, (1-9)3 and 30(1-0), where is the (unknown) gene frequency, 0 s 0S1. (Note: This distribution is for exercise purposes only and may not be true in real life.) (a) Suppose that in a random sample of size n = 10 from the population, there are f, f, and fs of types MM, NM and NN...
Part A Select the types for all the isomers of (Fe(CO), Cl2]+ Check all that apply....
Part A Select the types for all the isomers of (Fe(CO), Cl2]+ Check all that apply. cis isomer Omer isomer optical isomers fac isomer trans isomer none of the above Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Part B Complete previous part(s) Part C Select the types for all the isomers of (Pt(en)Cl2] Check all that apply. trans isomer mer isomer O fac isomer O cis isomer optical isomers o none of the above Submit...
6. Name and discuss the three ways by which genetic recombination can occur in bacteria. Explain...
6. Name and discuss the three ways by which genetic recombination can occur in bacteria. Explain how they reproduce. Can bacteria of different genera exchange genetic material?
1-Which of the following are ways GDP can overstate the standard of living? Select the correct...
1-Which of the following are ways GDP can overstate the standard of living? Select the correct answer below: Factors not included in the GDP, such as environmental cleanliness are getting better. The GDP does not capture leisure and new technology, which have improved for Americans. GDP ignores factors such as crime rates and income inequality. GDP does not measure life expectancy and education levels, which have risen. 2-Which of the following statements is correct? Select the correct answer below: A...
Suppose a graduate student is studying a population of bluebonnets along a roadside. The plants in this population are genetically variable. She counts the seeds produced by 100 plants and measures the mean and variance of seed number. The variance is 20. Selecting one plant, the student takes cuttings from it and cultivates them, producing many genetically identical clones. She then transplants these clones into the roadside population, allows them to grow for one year, and then counts the number...
Each summer, farmers compete to grow the largest pumpkin, which
can weigh thousands of pounds. They go to great lengths to help
their pumpkin grow, including using extra fertilizer, heaters on
cool spring days, and enclosures to reduce herbivory by
insects.
Suppose that botanists measure the variation in pumpkin weight
due to genetic composition and environmental factors. They measure
variation in standard deviations. Variation due to genetic
composition equals 254 pounds, whereas the variation due to
environmental factors equals 385...
Each summer, farmers compete to grow the largest pumpkin, which can weigh thousands of pounds. They go to great lengths to help their pumpkin grow, including using extra fertilizer, heaters on cool spring days, and enclosures to reduce herbivory by insects. Suppose that botanists measure the variation in pumpkin weight due to genetic composition and environmental factors. They measure variation in standard deviations. Variation due to genetic composition equals 254 pounds, whereas the variation due to environmental factors equals 385...
1. Which types of cells can produce memory cells? Select the TWO answers that are correct. B cells O cytotoxic T cells Oneutrophils macrophages O helper T cells 2. What must happen in order for a vaccine to confer immunity? Select the TWO answers that are correct. OThe vaccine should have the specific antibodies to the pathogen in it. O The vaccine should prompt the immune system to produce antibodies to the pathogen. O The vaccine will cause a mild...
2. According to genetic theory, there are three blood types MM, NM and NN which should occur in a very large population with probabilities, O, (1-9)3 and 30(1-0), where is the (unknown) gene frequency, 0 s 0S1. (Note: This distribution is for exercise purposes only and may not be true in real life.) (a) Suppose that in a random sample of size n = 10 from the population, there are f, f, and fs of types MM, NM and NN...
Part A Select the types for all the isomers of (Fe(CO), Cl2]+ Check all that apply. cis isomer Omer isomer optical isomers fac isomer trans isomer none of the above Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Part B Complete previous part(s) Part C Select the types for all the isomers of (Pt(en)Cl2] Check all that apply. trans isomer mer isomer O fac isomer O cis isomer optical isomers o none of the above Submit...
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