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What is new in the science world today? Genetic Engineering is a big topic that is being studied to prevent disease, increase agriculture growth rates, and help develop vaccines. There is much research being done on it and so far the results look very hopeful. Could it be possible that in the years to come the world will be cancer and diabetes free?
Published by Nora Arnold 70 months ago in Genetics & DNA | +0 votes | 0 comments
From disease causing bacteria, Streptococcus pneumoniae, the “transforming principle”, or the genetic alteration of a cell from outside genetic material through the cell membrane, was discovered in the Griffith Experiment. This laid the foundation for the Avery-MacLeod-McCarty experiment which proved DNA to be the source of genes, and not protein.
Published by Aaron Tabuchi 70 months ago in Genetics & DNA | +0 votes | 0 comments
Three Point Test Crosses are allows geneticists to analyze at the gene order of loci, distances between the loci, and their linkage relationship. This article is an explanation of how to use and analyze three point testcrosses of trihybrid heterozygous crosses and how to analyze and utilize the information about recombination.
Published by Guillermo Llamas 70 months ago in Genetics & DNA | +0 votes | 0 comments
These facts are geared towards the average person, for easy yet informative reading. These facts are intended to surprise each person who reads them. By emphasizing how genetics is part of our everyday lives, it is intended to open individuals eyes that science is all around us and it is very important!
Published by Kristen Hall 70 months ago in Genetics & DNA | +0 votes | 0 comments
An understanding of Mendelian Genetics is needed to begin understanding the elementary topics discussed in any genetics course. One of the most fundamental Mendelian principals is the Law of Independent assortment. With a basic understanding of this principal, linkage, hereditary pathways, inheritance and other vital genetic processes can be explained and understood at a deeper level.
Published by Jennifer Liberto 70 months ago in Genetics & DNA | +1 votes | 0 comments
A brief overview of sickle cell anemia and the genetic mutation that causes an amino acid substitution in hemoglobin, which also causes the red blood cell to take on the characteristic sickle shape. Individuals who are carriers for the trait but do not have the disease have a distinct advantage in malarial areas, as they are resistant to malaria.
Published by Wai Szeto 70 months ago in Genetics & DNA | +0 votes | 0 comments
Mutations are the result of changes in an organism DNA; this is often deleterious as it can alter the expression of genes and cause the generation of impaired or non-functional proteins. The most common types of mutations are substitutions, insertions, deletions, and frameshifts. Substitutions are the switching of nucleotide bases, insertion and deletions are the caused by adding or removing nucleotides. Frameshifts are caused by insertions and deletions and result in the misreading of genes. ...
Published by Julio Zamora 70 months ago in Genetics & DNA | +0 votes | 0 comments
This is a quick guide to solving three point test cross problems as well as interference. An example is used from a textbook and is completed thoroughly with explanations. This is relevant in any genetics field where one needs to map out relative distances of gene loci and figure out the order of the loci as well.
Published by Michael Villegas 70 months ago in Genetics & DNA | +0 votes | 0 comments
Genetic disorders cause an individual to have physical abnormalities and are inherited in various ways through genes on different sets of chromosomes. Humans have 23 chromosomes with one chromosome differentiating males and females. This article will focus on two types of genetic disorders: those inherited from sex chromosomes and those that involve autosomes, which include the other 22 chromosomes.
Published by Jaime Felix 70 months ago in Genetics & DNA | +1 votes | 0 comments
Punnett squares are used to determine the genetic and physical characteristics of an individual. The monohybrid cross is dealing with one type of gene and this type of cross has an outcome of four gametes produced. The dihybrid cross is dealing with more than one type of gene and it has an outcome of sixteen gametes.
Published by Iqra Afzal 70 months ago in Genetics & DNA | +0 votes | 0 comments
HuntingtonÂ’s disease is a rare autosomal dominant mutation genetic disorder. This disease is a neurodegenerative genetic disorder, which means that throughout time, there is a progressive loss of function of neurons in the nervous system. The onset of this disease appears around thirty five to forty five years of age, and the affected person is only expected to survive around ten to twenty years after onset. There is no cure for HuntingtonÂ’s disease, but treatments have been proven usefu...
Published by Jonathan Fernandez 70 months ago in Genetics & DNA | +2 votes | 0 comments
Reason as to why Saccharomyces cerevisiae (yeast) is the ideal model organism in science as well as in the brewing and baking industries. Through high quality lenses, a Dutch naturalist discovers yeast as a nonliving globular structure , whereas a French chemist proves this theory incorrect by discovering yeast as a living microorganism in alcoholic fermentation.
Published by Janine Fernandez 70 months ago in Genetics & DNA | +0 votes | 0 comments
Genetics consists the study of genes, which is concerned with the diversity, replication, mutation, and translation of the information in the genes. Why is genetics important to our society? Can genetics be bad? This article will explain the history behind genetics and as well as good/bad information regarding our genes.
Published by Rayhan Kabir 70 months ago in Genetics & DNA | +1 votes | 0 comments
The immune system is the mechanism in which molecules known as antibodies or immunoglobulins are produced and made to become genetically diverse. This process allows for antibodies to make different combinations in order to be specific to certain viruses and bacteria. The genetic diversity helps protect our body from any types of sicknesses and diseases.
Published by Miguel Melgoza 70 months ago in Genetics & DNA | +1 votes | 1 comments
A mutation found in a family located in a small village near Milan, Italy may be the key to eradicating heart disease. A one amino acid difference in the HDL gene allows this small family to have extreme longevity despite small amounts of “good cholesterol” and excessive amounts of “bad cholesterol”.
Published by Michael Chow 70 months ago in Genetics & DNA | +0 votes | 0 comments
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