Chromosome

alkaline SCGE assay it was detected that chlorothalonil induced DNA damage in human lymphocytes, although it is not genotoxic (Vigreux et al. 1998). When introduced into the body in sizable concentrations it begins to affect the structure of chromosomes via chromosome breaks (Vigreux et al. 1998). When a…

Explanation The Biological Gender Theory insists that there is no difference between sex and gender; instead there is a direct influence from biological differences that affect gender behavior. Empirical evidence suggests that hormones, chromosomes and brain development in the womb have a substantial impact the gender identity of a person. Many scientists insist on theories that are influenced by other sources mainly having relating to social conditioning, but the scientists behind the…

This would allow us to make all the changes we desire without any casualties. “Engineered artificial chromosomes that can be passed into the progeny of mice have been developed, and there are attempts to expand this research into humans as cell-mediated gene therapy and stem cell therapy, so this is not science fiction” (Genetic Engineering). Overall, I feel…

Originally it was believed that all traits are blended together. Due to the work of Gregor Mendel, though, it was shown that characteristics are a result of inherited factors, known as genes1. Genes are units of heredity on a chromosome that bring about our existence and create diversity. This diversity arises from the fact that there are different forms of genes known as alleles. All the alleles of an organism are referred to as that organism’s genotype and results in an organism’s phenotype,…

Klinefelter Syndrome Klinefelter Syndrome is a condition that affects sex chromosomes in males only. It is one of the most common genetic disorders. KS was named after Dr. Harry Klinefelter who was the first person to report it’s symptoms in 1942.(7) Harry was a Endocrinologist from Baltimore working at the Massachusetts General Hospital. Males with Klinefelter’s present with a variation of symptoms from babies to adults. Some symptoms are noticeable and some are unnoticeable. It is common…

have a certain amount of time before they expire. Cancer cells on the other hands try to find a way to become immortal. In order to become immortal, the telomere in the chromosome is responsible for having control on the growth and divide of a cell. The telomeres purpose of function is to be attached at the end of the chromosome and help prevent any mutations. The cells of DNA begin to…

Gene Mutations Gene mutation is a permanent change in the DNA sequence that makes up a gene. Mutations are affected by the change in the DNA sequence. There can be many different types of mutations. (Department of Genetics, Stanford School of Medicine, Para I) Some examples are point mutations, missense mutation, nonsense mutation, frame shift mutation, silent mutation, deletion, insertion, and duplication. (US National Library of Medicine) These mutations can either occur naturally or actually…

For normal people, there are 46 chromosomes with either an XY or XX for male or female (Ioana, 2013). One of these genes that predisposes people to criminal behavior is an anomaly in the sex chromosomes making the person have an extra X chromosome leading the person to have 47 chromosomes with xxy this anomaly is referred to as Klinefelter's syndrome (Ioana, 2013). Research has established that Klinefelter…

Speciation is a process in which organisms within a population evolve to become a new species over time. Charles Darwin believed that eventually a single species will split off into two different populations, becoming two new species. Some of the speciation modes are allopatric and sympatric, and polyploidy is a mechanism of speciation. Allopatric Speciation Allopatric speciation is a common mode of speciation in which a population of a single species becomes divided, geographically isolating…

stereotype is not a reality. DMD is an abnormality found on the X-chromosome that deprives the body of dystrophin, a structural protein that maintains the structure of a muscle cell. DMD is the most common fatal genetic disorder identified in children, and is ultimately fatal to those with the disease. The inheritance of DMD is usually linked to the mother, but there are many occurrences in which a spontaneous abnormality occurs in the X-chromosome during pregnancy, causing an alteration…