Genetic marker

Forensic Genetics To understand what Forensic Genetics is you first have to know what each term means. The Merriam-Webster Dictionary (2015) states that Forensics is the application of scientific knowledge and/or methods to legal problems and in solving crimes. Forensics is used in many different ways, from identify people through DNA or fingerprints to examining hair and different substances. It has been around for a long time, with some methods dating back to the 13th century (Kennedy 2013).…

Discussion Alu is a transposable element that can be inserted into the human genome, enabling its use as genetic marker for ancestry differentiation,and thus identification. Due to new insertions, some humans do not have an alu insertions, while others may have accumulated mutations causing three types of polymorphisms, S1, S2 and L, the reference alu insertion, YB8 was useful as a standard to the comparison of nucleotide sequences changes to uncover the difference in the presence and absence of…

categories, like weight for example. Meristic traits are traits that can be expressed numerically, like the different number of bristles Drosophila flies have. Both of these types of traits fall under the quantitative traits category of quantitative genetics because they display a range of phenotypic variation that follow a normal distribution pattern. This means that the traits being analyzed do not fall under discrete phenotypes, but instead there is a wide variety of different offspring that…

Joseline Jacamo To the Bitter End: A Case Examining the Genetics of PTC Sensitivity First part : Questions 1. What L.H Snyder is inferred by using “Mendelian marker” is to convey that all Mendelian traits which is inherited from the parent and pass down to its offspring can be utilized as a maker. 2. Some question that Dr. Snyder could ask is “How would you know if PTC is an inherited trait?. In addition, “How are you going to test if PTC is an inherited trait or not?. Also, if “PTC tasting is…

The film “Pharm” is a documentary movie that explores the world of genetics and evolution. According to Darwin, evolution refers to any living organism that has developed and diversifies over extended periods of time. Genetics is the branch of biology that studies the genes, which are units of heredity that determine what and how proteins are made, therefore are responsible for what characteristic get passed onto the next generation. Evolution involves many mechanisms besides natural selection,…

Figure 1: Shows the gene expression changes found in Arabidopsis after the insertion of the IRX1, IRX3, and IRX5 mutants(Brown). 1A shows the principal component data collected from the targeted areas of the plant(Brown). 1B shows a comparison of gene expression of the base and tip of the stem and the change of level(Brown). 1C shows the slope of genes most likely to be related to IRX3(Brown). From Figure 1B, it is shown through analysis that there are several hundred genes that show an increase…

Aneuploidy is an abnormal number of chromosomes. When a cell is missing a chromosome or has an extra copy, genetic information becomes altered and abnormalities occur. An example of a human aneuploidy is Cat Eye Syndrome aka Schmid –Fraccaro Syndrome. Cat eye syndrome is a genetic disorder caused duplicated chromosome material of Chromosome 22. The top half and a small section of the bottom half are present three or four times in the cells of the body rather than two. Symptoms associated…

Gene traps are the plasmid or retrovirus-based vectors having a reporter gene that is only expressed when integrated in a functional gene. They were originally developed for the study of insertional mutagenesis in mouse. The gene traps were used to identify and characterize genes which were regulated by exogenous stimuli or during development process. The gene trap is a process which makes it possible to identify genes that gives rise to phenotypic effects when they are switched off, and also…

status by technology. Though we are aware of the progress in certain fields of technology such as communication, transportation, and healthcare, there are new advancements that could alter the course of human evolution as we know it. The study of genetics first began in the mid 1800’s and in only a hundred and fifty years it has opened up possibilities beyond anything its discoverers could have imagined. The term ‘designer babies’ was originally coined by journalists with a simple and somewhat…

vs Nurture in Special Education,” by Professor Susan Umok-Mars she states “if we (sic) create separate places in the school community, we (sic) exclude some students from being part of that community.” Nature has given these children a specific genetic marker, but how is it nurturing their communal and emotional development when denied the diversity of the academic landscape (Mars). The amalgamation of the student body will encourage a greater sense of community and acceptance for all students.…