Abstract: This paper explores and examines how migration affects a population, and how it affects the frequency or change of alleles in a population. It is asked, “How does migration affect heterozygosity in a population?” I predicted that migration increases heterozygosity in isolated populations. To explore and test out this hypothesis the moth program in the “PopGenLab” was used to carry out the experiment. What was found that migration did keep population high and kept heterozygosity at a somewhat constant level; whereas when there is no migration there is more heterozygosity.
Introduction: According to the Hardy-Weinberg Principle, it says that a population will remain constant in the absence of other evolutionary …show more content…
This program performs simulations designed to study different factors that can lead to changes in genotype frequency in a population resulting in population genetic changes that influence the evolution of moths. It allows me to manipulate genetic and environmental changes including mating patterns, tree types, disaster frequency and migrations that influence the allele outcome of moths. To study how migration affects heterozygosity of alleles I will run a total of 2 trials that simulates 75 generations each and leave all settings at default settings except for changing the number of tree stands to 100 and will be first set with no migration at all. For the second half of trials, the migration setting will be on and the migration rate will be set to 100% and the number of tree stands will still be set at 10. The default settings include having the genotype frequency set at 25% white moth, 25% black moth and 50% brown moth, which plays the part of being heterozygous. There are 3 different tree types but they will be all set at 1/3 each being equal. The carrying capacity of each stand will be set to 1000, ¼ of maximum capacity to simulate a small population. The mating pattern is set to random, and the disaster frequency is set to
Introduction: According to the Hardy-Weinberg Principle, it says that a population will remain constant in the absence of other evolutionary …show more content…
This program performs simulations designed to study different factors that can lead to changes in genotype frequency in a population resulting in population genetic changes that influence the evolution of moths. It allows me to manipulate genetic and environmental changes including mating patterns, tree types, disaster frequency and migrations that influence the allele outcome of moths. To study how migration affects heterozygosity of alleles I will run a total of 2 trials that simulates 75 generations each and leave all settings at default settings except for changing the number of tree stands to 100 and will be first set with no migration at all. For the second half of trials, the migration setting will be on and the migration rate will be set to 100% and the number of tree stands will still be set at 10. The default settings include having the genotype frequency set at 25% white moth, 25% black moth and 50% brown moth, which plays the part of being heterozygous. There are 3 different tree types but they will be all set at 1/3 each being equal. The carrying capacity of each stand will be set to 1000, ¼ of maximum capacity to simulate a small population. The mating pattern is set to random, and the disaster frequency is set to