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GENETIC ANALYSIS: AN INTEG. APP. W/MAS
2nd Edition
ISBN: 9781323142790
Author: Sanders
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 21, Problem 18P
An association of racehorse owners is seeking a new genetic strategy to improve the running speed of their horses. Traditional breeding of fast male and female horses has proven expensive and time
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Students have asked these similar questions
Examples of codominance include ABO blood type
and coat color in cattle.
In short horn cattle coat color pattern is
determined by two alleles (CR = red; CW = white)
that are both equally expressed. CRCW cattle are
roan (red and white patches); therefore, both
alleles affect the phenotype equally.
The ABO system of blood typing exhibits
codominance in humans. There are 3 alleles for the
gene that determine ABO blood type (IA and IB are
codominant alleles; allelei is recessive to alleles IA
and IB). IAIA and I^i are type A; I®I® and IPi are type
B; I^IB is type AB; ii is type O
Practice Problem 4:
4a. If a man with blood type O marries a woman
that is blood type AB, what are the predicted
genotypes and phenotypes of their children?
4b. If a man with blood type A (I^i) marries a
woman with blood type AB, what are the
predicted genotypes and phenotypes of their
children?
A geneticist is studying memory recall and is trying to locate specific genes that have varying effects on a given phenotype (physical trait) in the study subjects.
These locations of these genes are referred to as:
Group of answer choices
Genomic spatial identifications
Epigenetic regulators
Evocative response indicators
Quantitative trait loci
What is the Strategy for genetic mapping of quantitative trait loci (QTLs) influencing complex traits?
Chapter 21 Solutions
GENETIC ANALYSIS: AN INTEG. APP. W/MAS
Ch. 21 - Which of the following traits would you expect to...Ch. 21 - 19.2 For the traits listed in the previous...Ch. 21 - Compare and contrast broad sense heritability and...Ch. 21 - 19.4 In a cross of two pure-breeding lines of...Ch. 21 - 19.5 Describe the difference between continuous...Ch. 21 - Prob. 6PCh. 21 - 19.7 Provide a definition and an example for each...Ch. 21 - 19.10 Three pairs of genes with two alleles each (...Ch. 21 - Prob. 9PCh. 21 - 19.12 Two inbred lines of sunflowers produce...
Ch. 21 - Prob. 11PCh. 21 - 19.14 In Nicotiana, two inbred strains produce...Ch. 21 - 19.15 Suppose the length of maize ears has narrow...Ch. 21 - In a line of cherry tomatoes, the average fruit...Ch. 21 - 19.17 Two purebreeding wheat strains, one...Ch. 21 - Prob. 16PCh. 21 - During a visit with your grandparents, they...Ch. 21 - 19.20 An association of racehorse owners is...Ch. 21 - Prob. 19PCh. 21 - Suppose a polygenic system for producing color in...Ch. 21 - New Zealand lamb breeders measure the following...Ch. 21 - Cattle breeders would like to improve the protein...Ch. 21 - In human gestational development, abnormalities of...Ch. 21 - The children of couples in which one partner has...Ch. 21 - Answer the following in regard to multifactorial...
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- Which of the following best describes the broad-sense heritability of a trait? Variance in the trait that is due to genetic effects (VG) The proportion of phenotype variance that is due to genetic effects (VG/Vp) The proportion of phenotype variance that is due to genetic effects (Vp - VG) The proportion of phenotype variance that is not due to genetic effects (Vp- VE) the degree to which genes influencing a trait are passed from offspring to parents Toarrow_forwardWhat are the mean, variance, and standard deviationfor each trait in this flock?arrow_forwardLarsen and Buss present four key research designs used in the behavioral genetic study of personality. Briefly review the key features of these designs and discuss the advantages and disadvantages of each design. Why would it be particularly powerful for a set of results (such as heritability and environmental estimates) to be documented using more than one design? Refer to a specific personality trait in formulating your answer to this questionarrow_forward
- A dairy farmer would like to reduce the incidence of mastitis within his herd. He has decided to implement genetic testing to inform management decisions within the herd towards this aim. Identify specific components of genetic evaluations that could be used to meet this objective. Discuss how the producer can influence annual genetic gain. How might the different factors you named in part a, affect annual genetic gain?arrow_forwardBriefly explain how genes affecting a polygenic characteristic are located with the use of QTL mapping.arrow_forwardSuppose a geneticist is using a three-point test cross to map three linked rabbit morphology and behavioral mutations called si, It, and Le. The gene si is associated with the silky fur phenotype, and It is associated with the long-tailed phenotype. Both si and It are recessive mutations with respect to wild type. Le is a dominant mutation that confers the lethargic phenotype. The geneticist first crosses true-breeding lethargic rabbits to true-breeding silky fur, long-tailed rabbits. Next, the geneticist backcrosses the Fj progeny to the silky fur, long-tailed parents, and obtains the results reported in the table. Phenotype Number lethargic 815 silky fur, long-tailed 807 long-tailed 177 silky fur, lethargic 179 silky fur 7 long-tailed, lethargic 5 silky fur, long-tailed, lethargic 29 wild type 29 Place the genes in the correct order in the chromosome. Answer Bank si It Learrow_forward
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