You are studying directional selection on neck length (a quantitative trait) in a giraffe population. Below...

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Biology

You are studying directional selection on neck length (aquantitative trait) in a giraffe population. Below you can see dataon neck length of the whole population and the breedingparents.
Neck length of all individuals in population
Neck length of breeders in population
45
90
80
80
90
75
39
95
60
60
35
95
40
75
30
(a) (4 pts) What is the selection differential? Show yourcalculations.
(b) (4 pts) In the offspring of the next generation you findthat the average neck length is 60. Based on this and the resultsfrom (a), what was the heritability of neck length. Show yourcalculations.

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4.4 Ratings (615 Votes)

Number of individuals in the initial population 10 Sum of neck length of all individuals 45 80 90 39 60 35 95 40 75 30 589 Mean of the population before selection M sum of all values number of individuals 58910 589 See Answer

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Neck length of all individuals in population	Neck length of breeders in population
45	90
80	80
90	75
39	95
60	60
35
95
40
75
30