This handout contains the information you need to get going on your project. There are two parts to the handout. This first part has information about due dates for the project, the report you will be preparing, grading criteria, and a list of students doing the project to help you in forming a group if you choose to do so. The second part has a brief summary of your topic and a list of key words to help you head in the right direction. In the next couple of weeks you will get one more handout which will contain problems for you to solve as part of your project.
The material I'm giving you really is just a bare-bones minimum to help direct you. You are responsible for finding references and doing your own investigating and learning. However please feel free to contact me, in person or by email, for help finding references or working the problems or for general guidance about the projects, and to give me feedback about how it is going.
Due Dates
There are two due dates for the project: October 30th, November 22nd. On October 30th, you should turn in:
1. At least two references which you have found for your project.
2. An explanation or definition of at least two of the key words for your topic.
Turning this material in on time will count towards points in the determination of your total grade on the project.
On Wednesday, November 22nd your overall project report is due.
Each person will be responsible for preparing his/her own report, including writing up his/her own solutions to the problems.
Reports and Grading Criteria Your report should include some version of the following 5 parts. They do not have to be arranged the way I list them here, but all should be included in your report in some form or another.
Introduction
In addition, as this project moves along we discuss X-linked
inheritance. In this type of inheritance the male of the species
possesses only one of the two possible genes (A or a), and the
female possesses a pair of the two genes ( AA, Aa,aa).
In humans, color blindness, hereditary baldness, hemophilia, and muscular
dystrophy, to name a few, are traits controlled by X-linked
inheritance.
We shall construct probability-matrix models which give the probable
genotypes of the offspring in terms of the genotypes of the parents,
and use these models to follow the genotype distribution of a
population through successive generations.
Key words to learn:
http://www.math.ubc.ca/~athreya/302/projects/genetics.html
In this project, we shall examine the
inheritance of traits in animals or plants. The inherited trait under
consideration is assumed to be governed by a set of 2 genes, which we
designate by the letters A and a. Under auto-somal
inheritance each individual in the population, of either sex,
possesses two of these genes: the possible pairings being designated
by AA, Aa and aa. This pair of genes is called the individual's
genotype, and it determines how the trait controlled by the
genes is manifested in the individual. For example, in snapdragons a
set of two genes determines the color of the flower. Genotype AA
produces red flowers, genotype Aa produces pink flowers, and
genotype aa produces white flowers. In humans, eye coloration is
controlled through auto-somal inheritance. Genotypes
AA and Aa have
brown eyes, and genotype
aa has blue eyes. In this case we say gene
A dominates gene
a, or that gene a is recessive to gene
A, since genotype
Aa has the same outward trait as genotype
AA.
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