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# / ____/_ __/ /_ ___
# / / / / / / __ \/ _ \
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#
# MGDrivE: Mosquito Gene Drive Explorer
# Reciprocal Translocation Inheritance Cube
# Héctor Sanchez, Jared Bennett, Sean Wu, John Marshall
# July 2017
# jared_bennett@berkeley.edu
#
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#' Inheritance Cube: Reciprocal Translocation
#'
#' This function creates an inheritance cube to model a reciprocal translocation.
#' This technology was the original form of underdominant system. It involves 2
#' chromosomes, each with two alleles. \cr
#' This drive has 4 alleles at 2 loci:
#' * a: Wild-type at locus A
#' * A: Translocation at locus A
#' * b: Wile-type at locus B
#' * B: Translocation at locus B
#'
#' @param eta Genotype-specific mating fitness
#' @param phi Genotype-specific sex ratio at emergence
#' @param omega Genotype-specific multiplicative modifier of adult mortality
#' @param xiF Genotype-specific female pupatory success
#' @param xiM Genotype-specific male pupatory success
#' @param s Genotype-specific fractional reduction(increase) in fertility
#'
#' @return Named list containing the inheritance cube, transition matrix, genotypes, wild-type allele,
#' and all genotype-specific parameters.
#' @export
cubeReciprocalTranslocations <- function(eta = NULL, phi = NULL, omega = NULL, xiF = NULL, xiM = NULL, s = NULL){
## define matrices
## Matrix Dimensions Key: [femaleGenotype,maleGenotype,offspringGenotype]
gtype <- c("aabb","aaBb","aaBB","Aabb","AaBb","AaBB","AAbb","AABb","AABB")
size <- length(gtype) #because I use it several times
tMatrix <- array(data=0, dim=c(size, size, size), dimnames=list(gtype, gtype, gtype)) #transition matrix
## fill tMatrix with probabilities
#('AABB', 'AABb', 'AAbb', 'AaBB', 'AaBb', 'Aabb', 'aaBB', 'aaBb', 'aabb')
tMatrix["aabb","aabb",] <- c( 1, 0, 0, 0, 0, 0, 0, 0, 0)
tMatrix["aaBb","aabb",] <- c( 1/2, 1/2, 0, 0, 0, 0, 0, 0, 0)
tMatrix["aaBb","aaBb",] <- c( 1/4, 1/2, 1/4, 0, 0, 0, 0, 0, 0)
tMatrix["aaBB","aabb",] <- c( 0, 1, 0, 0, 0, 0, 0, 0, 0)
tMatrix["aaBB","aaBb",] <- c( 0, 1/2, 1/2, 0, 0, 0, 0, 0, 0)
tMatrix["aaBB","aaBB",] <- c( 0, 0, 1, 0, 0, 0, 0, 0, 0)
tMatrix["Aabb","aabb",] <- c( 1/2, 0, 0, 1/2, 0, 0, 0, 0, 0)
tMatrix["Aabb","aaBb",] <- c( 1/4, 1/4, 0, 1/4, 1/4, 0, 0, 0, 0)
tMatrix["Aabb","aaBB",] <- c( 0, 1/2, 0, 0, 1/2, 0, 0, 0, 0)
tMatrix["Aabb","Aabb",] <- c( 1/4, 0, 0, 1/2, 0, 0, 1/4, 0, 0)
tMatrix["AaBb","aabb",] <- c( 1/4, 1/4, 0, 1/4, 1/4, 0, 0, 0, 0)
tMatrix["AaBb","aaBb",] <- c( 1/8, 1/4, 1/8, 1/8, 1/4, 1/8, 0, 0, 0 )
tMatrix["AaBb","aaBB",] <- c( 0, 1/4, 1/4, 0, 1/4, 1/4, 0, 0, 0)
tMatrix["AaBb","Aabb",] <- c( 1/8, 1/8, 0, 1/4, 1/4, 0, 1/8, 1/8, 0)
tMatrix["AaBb","AaBb",] <- c( 1/16, 1/8, 1/16, 1/8, 1/4, 1/8, 1/16, 1/8, 1/16)
tMatrix["AaBB","aabb",] <- c( 0, 1/2, 0, 0, 1/2, 0, 0, 0, 0)
tMatrix["AaBB","aaBb",] <- c( 0, 1/4, 1/4, 0, 1/4, 1/4, 0, 0, 0)
tMatrix["AaBB","aaBB",] <- c( 0, 0, 1/2, 0, 0, 1/2, 0, 0, 0)
tMatrix["AaBB","Aabb",] <- c( 0, 1/4, 0, 0, 1/2, 0, 0, 1/4, 0)
tMatrix["AaBB","AaBb",] <- c( 0, 1/8, 1/8, 0, 1/4, 1/4, 0, 1/8, 1/8)
tMatrix["AaBB","AaBB",] <- c( 0, 0, 1/4, 0, 0, 1/2, 0, 0, 1/4)
tMatrix["AAbb","aabb",] <- c( 0, 0, 0, 1, 0, 0, 0, 0, 0)
tMatrix["AAbb","aaBb",] <- c( 0, 0, 0, 1/2, 1/2, 0, 0, 0, 0)
tMatrix["AAbb","aaBB",] <- c( 0, 0, 0, 0, 1, 0, 0, 0, 0)
tMatrix["AAbb","Aabb",] <- c( 0, 0, 0, 1/2, 0, 0, 1/2, 0, 0)
tMatrix["AAbb","AaBb",] <- c( 0, 0, 0, 1/4, 1/4, 0, 1/4, 1/4, 0)
tMatrix["AAbb","AaBB",] <- c( 0, 0, 0, 0, 1/2, 0, 0, 1/2, 0)
tMatrix["AAbb","AAbb",] <- c( 0, 0, 0, 0, 0, 0, 1, 0, 0)
tMatrix["AABb","aabb",] <- c( 0, 0, 0, 1/2, 1/2, 0, 0, 0, 0)
tMatrix["AABb","aaBb",] <- c( 0, 0, 0, 1/4, 1/2, 1/4, 0, 0, 0)
tMatrix["AABb","aaBB",] <- c( 0, 0, 0, 0, 1/2, 1/2, 0, 0, 0)
tMatrix["AABb","Aabb",] <- c( 0, 0, 0, 1/4, 1/4, 0, 1/4, 1/4, 0)
tMatrix["AABb","AaBb",] <- c( 0, 0, 0, 1/8, 1/4, 1/8, 1/8, 1/4, 1/8)
tMatrix["AABb","AaBB",] <- c( 0, 0, 0, 0, 1/4, 1/4, 0, 1/4, 1/4)
tMatrix["AABb","AAbb",] <- c( 0, 0, 0, 0, 0, 0, 1/2, 1/2, 0)
tMatrix["AABb","AABb",] <- c( 0, 0, 0, 0, 0, 0, 1/4, 1/2, 1/4)
tMatrix["AABB","aabb",] <- c( 0, 0, 0, 0, 1, 0, 0, 0, 0)
tMatrix["AABB","aaBb",] <- c( 0, 0, 0, 0, 1/2, 1/2, 0, 0, 0)
tMatrix["AABB","aaBB",] <- c( 0, 0, 0, 0, 0, 1, 0, 0, 0)
tMatrix["AABB","Aabb",] <- c( 0, 0, 0, 0, 1/2, 0, 0, 1/2, 0)
tMatrix["AABB","AaBb",] <- c( 0, 0, 0, 0, 1/4, 1/4, 0, 1/4, 1/4)
tMatrix["AABB","AaBB",] <- c( 0, 0, 0, 0, 0, 1/2, 0, 0, 1/2)
tMatrix["AABB","AAbb",] <- c( 0, 0, 0, 0, 0, 0, 0, 1, 0)
tMatrix["AABB","AABb",] <- c( 0, 0, 0, 0, 0, 0, 0, 1/2, 1/2)
tMatrix["AABB","AABB",] <- c( 0, 0, 0, 0, 0, 0, 0, 0, 1)
## set the other half of the matrix
# Boolean matrix for subsetting, used several times
boolMat <- upper.tri(x = tMatrix[ , ,1], diag = FALSE)
# loop over depth, set upper triangle
for(z in 1:size){tMatrix[ , ,z][boolMat] <- t(tMatrix[ , ,z])[boolMat]}
## initialize viability mask.
viabilityMask <- array(data = 1, dim = c(size,size,size), dimnames = list(gtype, gtype, gtype))
## set viability based on what chromosomes are inherited.
## This is not mother based, just based on child genotype.
for(slice in 1:size){
viabilityMask[ ,slice, ] <- matrix( c( 1, 0, 0, 0, 1, 0, 0, 0, 1), nrow = 9, ncol = size, byrow = TRUE )
}
## genotype-specific modifiers
modifiers = cubeModifiers(gtype, eta = eta, phi = phi, omega = omega, xiF = xiF, xiM = xiM, s = s)
## put everything into a labeled list to return
return(list(
ih = tMatrix,
tau = viabilityMask,
genotypesID = gtype,
genotypesN = size,
wildType = "aabb",
eta = modifiers$eta,
phi = modifiers$phi,
omega = modifiers$omega,
xiF = modifiers$xiF,
xiM = modifiers$xiM,
s = modifiers$s,
releaseType = "AABB"
))
}
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