Created
November 22, 2020 11:03
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Solution to the DNA pAequor problem
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// Returns a random DNA base | |
const returnRandBase = () => { | |
const dnaBases = ['A', 'T', 'C', 'G'] | |
return dnaBases[Math.floor(Math.random() * 4)] | |
} | |
// Returns a random single stand of DNA containing 15 bases | |
const mockUpStrand = () => { | |
const newStrand = [] | |
for (let i = 0; i < 15; i++) { | |
newStrand.push(returnRandBase()) | |
} | |
return newStrand | |
} | |
let pAequorFactory = (num, array) => { | |
return { | |
specimenNum: num, | |
dna: array, | |
mutate() { | |
while(true) { | |
let randomDna = returnRandBase(); | |
let randomMutator = Math.floor(Math.random() * 15); | |
if(this.dna[randomMutator] != randomDna) { | |
this.dna[randomMutator] = randomDna; | |
break; | |
} | |
} | |
}, | |
compareDNA(pae2) { | |
console.log(`The DNA of ${this.specimenNum} and ${pae2.specimenNum} is being compared.`); | |
let count = 0; | |
for ( let i=0; i<pae1.dna.length; i++) { | |
if(this.dna[i] == pae2.dna[i]) { | |
count++; | |
} | |
} | |
console.log(this.dna); | |
console.log(pae2.dna); | |
console.log((count/this.dna.length) * 100); | |
}, | |
willLikelySurvive() { | |
let count = 0; | |
for(let i=0; i<this.dna.length; i++) { | |
if(this.dna[i] == 'C' || this.dna[i] == 'G'){ | |
count++; | |
} | |
} | |
if (count/this.dna.length >= 0.6) { | |
return true; | |
} else { | |
return false; | |
} | |
} | |
} | |
} | |
let survivingPAequor = []; | |
let count = 1; | |
while (true) { | |
let pae = pAequorFactory(count, mockUpStrand()); | |
if(pae.willLikelySurvive()) { | |
survivingPAequor.push(pae); | |
count++; | |
} | |
if (count == 31) { | |
break; | |
} | |
} | |
console.log(survivingPAequor); |
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