dadamowiki

A wikipedia of Dr. D'Adamo's research



Genomics

Description

The phenotype of an individual organism is either its total physical appearance and constitution or a specific manifestation of a trait, such as size, eye color, or behavior that varies between individuals. Phenotype is determined to some extent by genotype?, or by the identity of the alleles that an individual carries at one or more positions on the chromosomes. Many phenotypes are determined by multiple genes and influenced by environmental factors. Thus, the identity of one or a few known alleles does not always enable prediction of the phenotype.

Nevertheless, because phenotypes are much easier to observe than genotypes (it doesn't take chemistry or sequencing to determine a person's eye color), classical genetics uses phenotypes to deduce the functions of genes. Breeding experiments can then check these inferences. In this way, early geneticists were able to trace inheritance patterns without any knowledge of molecular biology.

Discussion

The interaction between genotype and phenotype has often been described using a simple equation:

genotype + environment = phenotype

A slightly more nuanced version of the equation is:

genotype + environment + random-variation= phenotype

Links

SPOTLIGHT

COMPLETE BLOOD TYPE ENCYCLOPEDIA


The Complete Blood Type Encyclopedia is the essential desk reference for Dr. D'Adamo's work. This is the first book to draw on the thousands of medical studies proving the connection between blood type and disease.

Click to learn more

Click the Play button to hear to Dr. Peter J. D'Adamo discuss .



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