# Quantitative Genetics Experiments

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;extensions [table] breed [rabbit rabbits] breed [parents parent] breed [trees tree] breed [hawks hawk] breed [offsprings offspring] breed [wolves wolf] breed [rabbit-holes rabbit-hole] breed [carrots carrot] breed [lakes lake] globals[ t1-mean t1-var t2-mean t2-var t3-mean t3-var t4-mean t4-var ] parents-own[ trait1-p trait2-p trait3-p trait4-p t1-parent t1-offspring t2-parent t2-offspring t3-parent t3-offspring t4-parent t4-offspring ] offsprings-own [ trait1-o trait2-o trait3-o trait4-o ] to setup-population ca reset-ticks ask patches [; create unknown background set pcolor 4 - (random 3) ] create-parents 1000 [ set trait1-p median (list 0 (random-normal 55 5) 100) set t1-parent median (list 30 (random-normal 55 5) 70) set t1-offspring (t1-parent * median (list 0 (random-normal .5 .02) 1)) set trait2-p median (list 0 (random-normal 55 6) 100) set t2-parent median (list 30 (random-normal 55 5) 70) set t2-offspring (t2-parent * median (list 0 (random-normal .3 .02) 1)) set trait3-p median (list 0 (random-normal 25 7) 100) set t3-parent median (list 0 (random-normal 25 7) 100) set t3-offspring (t3-parent * median (list 0 (random-normal .90 .02) 1)) set trait4-p median (list 0 (random-normal 165 20) 260) set t4-parent median (list 0 (random-normal 165 20) 260) set t4-offspring median (list 0 (random-normal 165 20) 260) set shape "rabbit" setxy random-xcor random-ycor set color white ] set t1-mean "NA" set t1-var "NA" set t2-mean "NA" set t2-var "NA" set t3-mean "NA" set t3-var "NA" set t4-mean "NA" set t4-var "NA" tick end to setup-habitat ask trees [die] ask hawks [die] ask wolves [die] ask rabbit-holes [die] ask carrots [die] ask parents[ set hidden? TRUE ] ask offsprings[ set hidden? TRUE ] ask patches [; create grass set pcolor 61 + grass-color + (random-float 0.4167 * grass-patchiness) ] ask n-of water patches [set pcolor sky] create-rabbit-holes n-rabbit-holes[ set shape "circle" set size .3 setxy random-xcor random-ycor set color black ] create-wolves n-wolves[ set shape "wolf" set size 2 setxy random-xcor random-ycor set color 2 ] create-trees n-trees[ set shape "tree pine" set color 51 setxy random-xcor random-ycor set size 3 ] create-carrots n-carrots[ set shape "carrot" setxy random-xcor random-ycor set size 1.5 ] create-hawks n-hawks[ set shape "hawk" set size 1.5 setxy random-xcor random-ycor set color brown ] end to unhide-pop clear-output reset-ticks ask trees [die] ask hawks [die] ask wolves [die] ask offsprings [die] ask rabbit-holes [die] ask carrots [die] ask patches [; create unknown background set pcolor 4 - (random 3) ] ask parents [ set hidden? FALSE ] tick end to setup-offspring setup-habitat reset-ticks tick ask offsprings [die] ask parents[ set hidden? TRUE ] ask offsprings[ set hidden? FALSE ] create-offsprings 1000 [ ;if (grass-color = 2) [set trait1-o median (list 0 (random-normal (t1-mean) (sqrt(12.5 + (12.5 * ((0.5 * (grass-patchiness / 6)) +(0.5 * (n-carrots / 50))))))) 100)] set trait1-o median (list 0 (random-normal (59 - grass-color * 2) (sqrt(12.5 + (12.5 * ((0.5 * (grass-patchiness / 6)) +(0.5 * (n-carrots / 50))))))) 100) if (n-wolves = 0) and (n-hawks = 0) [set trait2-o median (list 0 (random-normal 55 6) 100)] if (n-wolves = 0) and (n-hawks != 0) [set trait2-o median (list 20 (random-normal (55 + (15 * (n-hawks / 20))) 5.25) 75)] if (n-wolves != 0) and (n-hawks = 0) [set trait2-o median (list 35 (random-normal (55 - (30 * (n-wolves / 20))) 5.25) 85)] ;if (n-wolves != 0) and (n-hawks != 0) [set trait2-o ifelse-value (random-float 1 < 0.5) [median (list 20 (random-normal (55 - (35 * (n-wolves / 20))) 5) 100)] [ median (list 0 (random-normal (55 + (10 * (n-hawks / 20))) 5) 85)]] if (n-wolves != 0) and (n-hawks != 0) [set trait2-o median (list (20 + (0.5 * n-hawks)) (random-normal (55 - ((1.5 * n-wolves)- (0.75 * n-hawks))) (6 - (3 * (((2 * n-wolves) + n-hawks) / 40)))) (85 - (1 * n-wolves)))] if (n-wolves = 10) and (n-hawks = 20) [set trait2-o median (list (20 + (0.5 * n-hawks)) (random-normal 55 (6 * ((n-wolves / 20) / (n-hawks / 20)))) (85 - (1 * n-wolves)))] ;set trait3-o median (list 0 (random-normal (20 + (15 * (n-rabbit-holes / 100))) 7) 100) set trait3-o ifelse-value (random-float 1 < 0.5) [median (list 0 (random-normal (25 - (10 * (2 * n-rabbit-holes / 100))) 5) 100)] [ median (list 0 (random-normal (25 + (10 * (2 * n-rabbit-holes / 100))) 5) 100)] set trait4-o median (list 0 (random-normal (100 + water) 20) 260) set shape "rabbit" setxy random-xcor random-ycor set color white ] ifelse (grass-color = 2) [set t1-mean mean [trait1-p] of parents] [set t1-mean mean [trait1-o] of offsprings] ifelse (grass-patchiness = 6) and (n-carrots = 50) [set t1-var variance [trait1-p] of parents] [set t1-var variance [trait1-o] of offsprings] ifelse (n-wolves = 0) and (n-hawks = 0) [set t2-mean mean [trait2-p] of parents set t2-var variance [trait2-p] of parents] [set t2-mean mean [trait2-o] of offsprings set t2-var variance [trait2-o] of offsprings] ifelse (n-rabbit-holes = 25) [set t3-mean mean [trait3-p] of parents set t3-var variance [trait3-p] of parents] [set t3-mean mean [trait3-o] of offsprings set t3-var variance [trait3-o] of offsprings] ifelse (water = 65) [set t4-mean mean [trait4-p] of parents set t4-var variance [trait4-p] of parents] [set t4-mean mean [trait4-o] of offsprings set t4-var variance [trait4-o] of offsprings] tick end

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Quantitative Genetics Experiments.png | preview | Preview for 'Quantitative Genetics Experiments' | 8 months ago, by Andrew McDevitt | Download |

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