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Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
A Survey Of The Ratio Of Melanistic To Gray Squirrels (Sciurus Carolinensis) On Five Midwestern College Campuses, Molly Koleczek
A Survey Of The Ratio Of Melanistic To Gray Squirrels (Sciurus Carolinensis) On Five Midwestern College Campuses, Molly Koleczek
Honors Program Projects
This experiment was an observational field study on 5 college campuses across western Indiana and western Illinois. The purpose of this experiment was to find the ratio of melanistic to gray squirrels on each campus and see if the ratio changed geographically. Gray squirrels (Sciurus carolinensis) have melanistic color variants in their populations that have not been documented across their distribution in the United States. Melanistic variants were introduced in the eastern United States and seem to be moving westward. Data was collected for all 4 seasons for Olivet Nazarene University, St. Joseph’s College and Illinois State University. …
Relationships Between Elements Of Leslie Matrices And Future Growth Of The Population, Lorisha Lynn Riley
Relationships Between Elements Of Leslie Matrices And Future Growth Of The Population, Lorisha Lynn Riley
Honors Program Projects
Leslie matrices have been used for years to model and predict the growth of animal populations. Recently, general rules have been applied that can relatively easily determine whether an animal population will grow or decline. My mentor, Dr. Justin Brown and I examine, more specifically, whether there are relationships between certain elements of a population and the dominant eigenvalue, which determines growth. Not only do we consider the general 3x3 Leslie matrix, but also we looked into modified versions for incomplete data and migration models of Leslie matrices. We successfully found several connections within these cases; however, there is much …
Genetic Determination Of Abo Genotype From Buccal Cells: Incorporating Pcr, Gel Electrophoresis, And Abo Genotyping Into Undergraduate Study, Brian M. Ginn
Honors Program Projects
We streamlined a protocol for isolating chromosomal DNA from buccal cells for the purpose of producing restriction fragment length polymorphisms (RFLPs) and identifying ABO genotype. This protocol involves DNA isolation, polymerase chain reaction, restriction enzyme digestion, and gel electrophoresis. Buccal cells are a viable source of chromosomal DNA for amplifying the ABO gene segments of interest. The collection of buccal cell samples is a less invasive method than collecting blood samples, which requires venipuncture. The DNA isolated from buccal cells was comparable in quality to the DNA isolated from blood cells. A complete protocol was produced for use in an …
A Seasonal Quantitative Analysis Of Phytoplankton Populations In Freshwater Quarries Of North-Eastern Illinois, Daley Schimmelpfennig
A Seasonal Quantitative Analysis Of Phytoplankton Populations In Freshwater Quarries Of North-Eastern Illinois, Daley Schimmelpfennig
Honors Program Projects
The populations of two phytoplankton genera, Stigeoclonium, a green algae, and Tabellaria, a diatom were surveyed and monitored over a period of 19 months in two different freshwater quarries in North Eastern Illinois. Populations were compared by the amount of cells per milliliter. Water samples were collected at different depths and throughout the year in both quarries. The autumn season showed the largest amount of phytoplankton populations, and Tabellaria was most abundant genus. Of the two quarries sampled, the one located in an urban center had a larger abundance of algal cells. A statistically significant relationship was determined between algal …