Question

1. In walruses, males defend a large harem of females and will fight with other males to maintain dominance and access to their harem. However, there are some males that are smaller and will mimic female walruses, hiding among them and occasionally mating with them. Researchers observed a walrus population and found that there were 75 offspring produced. Of those, the female mimic male was the father of 25, the dominant males was the father of 50 and each of the 75 females produced one offspring. What was the fitness value of one female?

2. In walruses, males defend a large harem of females and will fight with other males to maintain dominance and access to their harem. However, there are some males that are smaller and will mimic female walruses, hiding among them and occasionally mating with them. Researchers observed a walrus population and found that there were 75 offspring produced. Of those, the dominant male was the father of 50. What is his fitness value?

Answer 1

1. Researchers observed a walrus population and found that there were 75 offspring produced.

The female mimic male was the father of 25, the dominant males was the father of 50 and each of the 75 females produced one offspring.

the fitness value of one female by using Java code:

class Individual {

int fitness = 75;

int female = 25;

int[] male = new int[50];

public Individual() {

Random rn = new Random();

//Set genes randomly for each individual

for (int i = 0; i < geneLength; i++) {

  genes[i] = rn.nextInt() % 2;

  }

  fitness = 0;

}

//Calculate fitness

public void calculateFitness() {

fitness = 0;

for (int i = 0; i < geneLength; i++) {

  if (genes[i] == 1) {

++fitness;

  }

}

}

}

Output: fitness = 8.3325

the fitness value of one female is 8.3325.

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