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Get true answers from experts in Genetics & DNA.
Describes the basic meaning of the statistical tests. Punnet and chi square tests are used in genetics for statistical purposes. These tests benefit many because the allow anyone to see how relevant the results are with what is expected and if it is not just random chance that the results may have been one way.
Published by Johanna Sandoval 68 months ago in Genetics & DNA | +2 votes | 1 comments
After reading this article you should understand what a three-point test cross is. Not only will you understand what it is but you will be able to set one up, solve it, and see where recombination occurs. Finally, you will be able to map, in a general order, where the locus are in respect to the each other and calculate the interference.
Published by Tiffanie Page 68 months ago in Genetics & DNA | +1 votes | 0 comments
The origins of bacteriology and the model organism Escherichia coli. As well as the reason why E. coli is one of the most commonly used prokaryote model organisms in genetics. This article lists the basic functions of Escherichia coli and its various phenotypes that are studied in place of eukaryote phenotypes.
Published by Amber Normann 68 months ago in Genetics & DNA | +0 votes | 0 comments
Cell cycle consists of G1, S, G2, and M phase. G1 phase consists of checkpoints that make sure cell has enough resources to move to S phase. In S phase chromosomes are duplicated. Then, G2 checkpoint makes sure DNA is duplicated accurately to proceed to M phase. M phase consists of mitosis (prophase, prometaphase, metaphase, anaphase, and telophase) and cytokinesis.
Published by :) Biology!! :) 68 months ago in Genetics & DNA | +0 votes | 0 comments
Drosophila Melanogaster or more commonly known as Fruit Flies, are more complex than you would think. They are Model Organisms used for introduction Genetics classes all across the World. With little costs to support, rapid reproduction rates, and a variety of physical traits that can be easily observed under a microscope, they are key for studying.
Published by Ben Ziman 68 months ago in Genetics & DNA | +1 votes | 1 comments
Genetic Information is essential when determining and tracing diseases. Many of the most radical diseases today can be attributed to hereditary genes of an organism. Disease such as AlzheimerÂ’s and even cancer are believe to be hereditary. However, new disciplines such as Epigenetics can change the way we view and treat diseases from now on.
Published by Renato Bravo 68 months ago in Genetics & DNA | +1 votes | 0 comments
Genetics is the study of genes and this article will go over how we study genes and why it is important to us as a society. With advances in pharmacology and stem cell research, we can help eliminate diseases in our world and even help end world hunger. With genetics, we can help create a more perfect world.
Published by Inderpreet Grewal 68 months ago in Genetics & DNA | +1 votes | 1 comments
High altitude residents have evolved over time through natural selection. Their phenotypes show larger chest sizes, an increase in lung capacity, and shorter extremities. These characteristics are advantageous to their overall survival and ability to reproduce. The ability for high altitude residents to adapt leading to evolution begins with the fact that on order to be able to express environmentally induced phenotypes, an individual must first contain an advantageous genotype.
Published by Natalie LaCorte 68 months ago in Genetics & DNA | +3 votes | 3 comments
This article discusses the usage of a pedigree chart and mainly what those pedigree symbols mean to a geneticist. In addition, the article explains why pedigree charts can help geneticists understand how a disease can be passed on to future generations and why Punnett sqauares can explain why a pedigree chart appears like it is.
Published by Alexander Trinh 68 months ago in Genetics & DNA | +1 votes | 1 comments
This article contains general facts about genetically modified foods (GE foods), also known as genetically modified organisms (GMOs). This includes the process of how plants and animals are genetically modified, its dominance in the U.S. market and the benefits of GE foods. Additionally, environmental, health, and animal abuse concerns will also be discussed.
Published by Stacey Van 68 months ago in Genetics & DNA | +2 votes | 0 comments
This article is about the use of homozygous recessive individuals for test crosses. Test crosses are used to see the recombination that occured in linked traits. Linked traits are alleles that are located on the same chromosome, sometimes very close together. These linked traits can interefere with one another, since they are so closely spaces. This article explains the use of test crosses, homozygous recessive individuals, and linked traits in general.
Published by Karishma Kumar 68 months ago in Genetics & DNA | +0 votes | 0 comments
This article is related to genetics, the study of genes. More specifically, it deals with Point Mutations. This includes the different types of point mutations, from nonsense and missense mutations, and what they do to the genes. This article reveals why we are lucky to be who we are, and just makes it known of one of the wonders of the human body.
Published by Ravikesh Kumar 68 months ago in Genetics & DNA | +0 votes | 0 comments
This is just the pure basics to a polymerase chain reaction. It focuses mainly on making the mix for the PCR and why the thermo cycler cycles through the different temperatures. This is a good reference for undergraduate college students learning what a PCR is and how to do one.
Published by Morrell Chhay 68 months ago in Genetics & DNA | +0 votes | 0 comments
5 types of sex determination (male or female) in animals. There are the XY sex-determination system, XO sex-determination system, ZW sex-determination system, haplodiploidy, and environmentally dependent sex-determination system.
Published by Christina Lee 69 months ago in Genetics & DNA | +2 votes | 1 comments
This article details the steps in the process of translation in which a polypeptide chain is constructed from the information encoded in a sequence of nucleotides in a messenger RNA transcript.
Published by Joel Mallory 69 months ago in Genetics & DNA | +0 votes | 0 comments
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