The eyes of insects and the eyes of vertebrates were, until the early 1990s, considered to be a standard example of "analogous" structures. They perform the same function but have utterly different internal structures, suggesting that they evolved independently from a common ancestor that lacked eyes. Then the laboratory of Walter Gehring in Switzerland began to research genes that are [...]
Application of Hardy-Weinberg law in calculating Gene (Allele) frequencies in a population. The gene frequencies for the autosomal and sex-chromosomal allele can be determined by the help of Hardy-Weinberg law by the following method: A. Calculation of Gene Frequencies of Autosomal Genes: An autosomal gene locus may have codominant alleles, dominant and recessive alleles or multiple alleles. If one desires [...]
In this essay we will discuss about the factors influencing allele frequency. Essay on Allele Frequency Essay Contents: Essay on Selection Essay on Mutation Essay on Meiotic Drive and Migration Pressure Essay on Random Genetic Drift Essay on Founder Principle Essay # 1. Essay on Selection: I. Evolution: Evolution has been described by Lewontin (1967) as a process that converts [...]