A population of farmed salmon average 9 pounds in weight at two years old. Toselect for rapid weight gain, fish with an average two-year weight of 12 pounds areselected for breeding. If the narrow-sense heritability (h²) for two-year weight in theunselected population is 0.2, what will be the average two-year weight of theoffspring of the selected fish?9.2 pounds9.6 pounds10.8 pounds12.2 pounds12.3 pounds

The average weight of the offspring can be calculated using the formula for response to selection:R…

Answered: A population of farmed salmon average 9…

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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The following variances were calculated for two traits in a herdof hogs.Trait VP VG VABack fat 30.6 12.2 8.44Body length 52.4 26.4 11.70 Calculate broad-sense (H2) and narrow-sense (h2) heritabilitiesfor each trait in this herd.
The narrow-sense heritability of growth rate in swine is 0.4. The mean of the population is 100 kg. A male and a female measuring 115 and 125 kg, respectively, mate and produce a number of offspring, which are reared in an average environment. What is the expected value of the trait among these offspring?
If you breed fast box turtles and use midparent-midoffspring regression to determine that the heritability of running speed is 0.12. The average running speed of box turtles is 0.44 meters/second. The 20 fastest turtles is picked and find their mean running speed is 0.62 m/s. By breeding these fast turtles, what will the average running speed of their offspring be?
The following variances were calculated for two traits in poodles. Vp VG 20.1 8 Trait Tail length Body length VA 6.3 11.7 33.4 16.2 Calculate broad sense (H²) and narrow sense (h²) heritability for each trait in this herd.
The narrow-sense heritability of ear length in Reno rabbits is 0.4. Thephenotypic variance (VP) is 0.8, and the environmental variance (VE) is0.2. What is the additive genetic variance (VA) for ear length in theserabbits?
Gray tree frog (Hyla versicolor) males call to females, and their calls can be characterized bythe pulse number and call period. The additive genetic variance of pulse number is 0.37,the additive genetic variance of call period is 0.16, and the covariance of the two traits is0.25. What is the additive genetic correlation of the two traits?
2) The following variances were calculated for two traits in poodles. Trait VA Vp VG Tail length 6.3 20.1 8 Body length 11.7 33.4 16.2 Calculate broad sense (H?) and narrow sense (h?) heritability for each trait in this herd.
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 variance for weight in a particular herd of cattle is 484 pounds2.The mean weight is 562 pounds. How heavy would an animal haveto be if it was in the top 2.5% of the herd? The bottom 0.13%?
The length of the middle joint of the right index finger was measured in 10 sets of parents and their adult offspring. The mean parental lengths and the mean offspring lengths for each family are listed in the accompanying table. Calculate the regression coefficient for regression of mean offspring length against mean parental length and estimate the narrow-sense heritability for this characteristic. Mean parental length (mm) Mean offspring length (mm) 30 31 35 36 28 31 33 35 26 27 32 30 31 34 29 28 40 38 33 34
M 3 0²/12 Here, na (sum of squared differences), na - 1 is the number of moose sampled from the population with wolves absent. Estimate the variance in moose fat stores (WOLVES ABSENT). To do this, divide the Sum of squared differences by the sample size minus one (na-1). Enter this value in the bottom row of the left half of the table. Q4.10. Make sure you're on track. What is your estimated variance for fat stores with wolves absent? Check Answer
A hypothetical study investigated the vitamin A content and thecholesterol content of eggs from a large population of chickens.The variances (V) were calculated, as shown at the top of the nextcolumn: Variance Vitamin A CholesterolVP 123.5 862.0VE 96.2 484.6VA 12.0 192.1VD 15.3 185.3 Calculate the narrow-sense heritability (h2) for bothtraits.

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