Selection in Genetics (UMAP)

This module describes how a recurrence relation for gene frequency in the nth generation is obtained, and explains the use of calculus to approximate the result obtained from this recurrence relation.

Table of Contents:

1. THE DISAPPEARANCE OF RECESSIVE GENES
1.1 Introduction
1.2 Gene Frequency
1.3 Selective Disadvantage

2. SOME GENETIC MATHEMATICS
2.1 The Hardy-Weinberg Ratio
2.2 Calculation of Gene Frequencies

3. A RECURRENCE RELATION FOR GENE FREQUENCY
3.1 Introduction
3.2 The nth Generation Gene Distribution
3.3 The Recurrence Relation
3.4 Use of the Recurrence Relation
3.5 Computational Results
3.6 A Disadvantage of the Recurrence Relation

4. A COMPUTER-FREE PROCESS
4.1 A Differential Approximation
4.2 The Approximation Formula
4.3 Comparison of Results

5. REFERENCES

6. ANSWERS TO EXERCISES