60 In a study of selection on the height of giraffes, the mean height is 168.81 cm, the selection gradient is ẞ=0.05/cm, the phenotypic variance is P=0.6 cm2, and the heritability is h^2= 0.25. 2. What do you predict that the average height will be in the next generation? (Report the value with four digits after the decimal point.) A) 168.8100 cm B) 168.8055 cm C) 168.8175 cm D) 168.8250 cm E) 168.8200 cm

60 In a study of selection on the height of giraffes, the mean height is 168.81 cm, the selection gradient is ẞ=0.05/cm, the phenotypic variance is P=0.6 cm2, and the heritability is h^2= 0.25. 2. What do you predict that the average height will be in the next generation? (Report the value with four digits after the decimal point.) A) 168.8100 cm B) 168.8055 cm C) 168.8175 cm D) 168.8250 cm E) 168.8200 cm

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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A wide-ranging survey of Nicotonia growing in its natural environment recorded a variation in corolla length ranging from 12mm to 47mm with a variance of 36.5. Subsequently, collected seeds were grown in a greenhouse and it was found that the range was now very much lower with most plants having similar corolla lengths and the variance was now only 8.4. ALL WORKING MUST BE SHOWN 1. What is the heritability of corolla length?
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Hardy-Weinberg Problems Please be sure to SHOW ALL WORK in order to get credit. This assignment will be graded for accuracy. *Hint: Remember what p and q represent. Determine first if I am asking for allele frequency or genotype/phenotype frequency. Then determine which equation is appropriate. What does p and q represent in the equations? Which equation do you use if I am asking for allele frequency? If the frequency of the recessive allele is 0.1, what is the frequency of the dominant allele? If the frequency of the dominant allele is 0.4, what is the frequency of the recessive allele? If the frequency of the dominant allele is 0.6, what is the frequency of the homozygous dominant genotype? If the frequency of the homozygous recessive genotype is 0.81, what is the frequency of the recessive allele? If the frequency of the homozygous dominant genotype is 0.25, what is the frequency of the dominant allele? If the frequency of the…
What is the heritability of corolla length?
Example 3.5.7 Fish Vertebrae Consider the distribution of vertebrae given in Table 3.5.1. In Exam- ple 3.5.5 we found that the mean of Y is µy = 21.49. The variance of Y is VAR(Y) = of = (20 – 21.49) x Pr{Y = 20} 21) %3D + (21 – 21.49)? x Pr{Y + (22 – 21.49)? x Pr{Y = 22} + (23 – 21.49) x Pr{Y = 23} = (-1.49) x 0.03 + (-.49) x 0.51 + (0.51) x 0.40 + (1.51)² × 0.06 = 2.2201 x 0.03 + .2401 x 0.51 + .2601 x 0.40 + 2.2801 x 0.06 = 0.066603 + 0.122451 + 0.10404 + 0.136806 = 0.4299. The standard deviation of Y is ay = V0.4299 - 0.6557. %3D
1) The following variances were calculated for two traits in a herd of hogs. Trait Vp VG VA Back fat 30.6 12.2 8.44 Body length 52.4 26.4 11.70 Calculate the broad sense heritability (H?) and narrow sense heritability's (h2) for each train in this herd. Which of the two traits will respond best to the selection by a breeder? Why?
The mean and variance of Corolla length in two highly strains of tabacco and their progeny are shown in the following table and one parent (P1) have a short corolla the other parent (P2) have a long corolla calculate the broad sense heritability (H) corolla length in the plant Strain mean (mm). Variance (mm) P1 short 40.47. 3.12 P2 long. 93.75. 3.87 F1 (P1×P2). 63.90 4.74 F2(F1×F2). 68.72. 47.76
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The mean and variance of Corolla length in two highly strains of tabacco and their progeny are shown in the following table one parent (P1) has a short corolla and the other parent ( P2) have a long corolla calculate the broad sense heritability (H) of Corolla length in the plant Strain. Mean(mm). Variance (mm) P1 short 40.47. 3.12 P2 long. 93.75. 3.87 F1(P1×P2). 63.90. 4.74 F2(F1×F2). 68.72. 47.70
The mean and variance of plant height of two highly inbred strains (P1 and P2) and their progeny (F1 and F2) are shown here. Strain Mean (cm) Variance P1 34.2 4.2 P2 55.3 3.8 F1 44.2 5.6 F2 46.3 10.3 Calculate the broad-sense heritability (H2) of plant height in this species.
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Pitcher plants can take many forms. You are interested in understanding the genetic control of pitcher formation in pitcher plants. Which of the following is not likely a result you would expect from your QTL study? AV O a. Variation in pitcher size in your F2 population does not exceed that of your parental generation. O b. You were able to reconstitute the phenotypes of the parental generation by selectively breeding F2 individuals. O c. The variation in phenotypes is greater in the F1 population compared to the F2 population. O d. The phenotypes you are interested exhibit a typical Mendelian inheritance.