Preview

ergonomics

Better Essays
Open Document
Open Document
2152 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
ergonomics
Odetta Live in concert 2005, "House of the Rising Sun"

Odetta Holmes (1930-2008) singer, musician, actress and human rights activist
1
http://www.youtube.com/watch?v=Aaya8jYZBO8&a=GxdCwVVULXdC1_uK3KV1zCSzPVvGV8Rv&list=ML&playnext=3

Henry Stewart Talks

• Off campus you should be able to access using the login u= SFU and p= SFUMEMBER

2

From a personal consultation:
How to study efficiently?
• Summaries
• What info is important (slides’s topics, my questions in lecture, tutorial’s study guides, required papers and video’s main concepts)
• Study with others!

3

Question from tutorial
2. Can gene flow prevent or speed up evolution

a. with divergent selection between populations, gene flow will reduce levels of adaptation (and slow the evolution of adaptation)
b. gene flow can introduce variation, and thus speed evolution and adaptation
c. gene flow can prevent the evolution of reproductive isolation, and speciation
4

From last lecture
1. Clarifying: Mendel’s Laws and where your sitting spot…

The explanation of the sitting spot corresponds to the “Law of
Independent Assortment”
Traits coded by genes located on different chromosomes are inherited independently
Not to Mendel’s “Law of segregation”
“members of each pair of factors (alleles) controlling a trait in an individual separate into different haploid gametes”
5

Also from last lecture
Epigenetics…
a.

Richard Gibbons Video lecture (slides 1 to 29, all slides now available in Canvas)

a.

“The ghost in your genes” documentary

6

Critical epigenetic concepts
Epigenome: Set of chemical marks in an individual’s genome that affects in gene expression. This set of marks is heritable but can be modified by environmental exposures.

Baylin Jones. Nature Reviews Cancer 2011; 11, 726-734

7

EPIGENETIC FACTORS
•
•
•
•
•

Non coding RNA
Histone modifications
Histone variants
Chromatin remodeling factors
DNA methylation

We
Continue Reading
View Writing Issues

You May Also Find These Documents Helpful

  • Good Essays

    Epigenetics Week 3 Assignment
    • 781 Words
    • 4 Pages

    Epigenetics Week 3 Assignment

    The field of epigenetics is “the study of heritable changes in gene activity which are not caused by changes in the DNA sequence” (“Wikipedia”; n.d.). One can adopt a healthy lifestyle to change the impact of the genes inherited by an offspring. Ornish states that changing eating habits, loving more, and getting more exercise can cause a large increase in brain cells. (“ted.com/speakers”; n.d.) These changes could also impact the number of disease provoking genes that one will pass on to an offspring.…

    • 781 Words
    • 4 Pages
    Good Essays
    Read More
  • Good Essays

    Epigenetics: Video Analysis
    • 1121 Words
    • 5 Pages

    Epigenetics: Video Analysis

    Epigenetics is a termed coined from epigenome. It is the study of occurrence of changes in the human genome as a result of gene modification expression raising from factors such as lifestyle. The PBS video presents the efforts and advancements made in epigenetics. It is fascinating to realize two people who are identical due to their DNA like twins turn up to be totally different due to alteration of their genes. Great effort has been dedicated in the study of epigenetics in an effort of curbing inherent diseases such as cancer. The breakthrough presented in the video sheds light in the fight against incurable diseases such as cancer as the realization that genes can be altered and modified by what people eat is an interesting breakthrough phenomena.…

    • 1121 Words
    • 5 Pages
    Good Essays
    Read More
  • Good Essays

    Paper on Epigenetics
    • 1042 Words
    • 5 Pages

    Paper on Epigenetics

    Epigenetics is a field where advances are being made daily. Epigenetics is defined as “heritable changes in gene expression that occur without a change in DNA sequence,” as stated by Dr. Alan Wolffe. A way in which we can understand this definition is by taking the analogy of a card game. The cards, the DNA sequence, have been dealt and will not change, however we need to understand how to play the cards, the rules, which is epigenetics. The guidelines can vary and completely change the way the card game is played and who comes out on top. The rules that are studied and understood through this research paper are those of DNA methylation and chromatin. These changes can produce large variations in the gene expression of cells while maintaining the same DNA sequence.…

    • 1042 Words
    • 5 Pages
    Good Essays
    Read More
  • Good Essays

    • Explain Why DNA Methylation Does Not Change Its Nucleotide Sequence.
    • 586 Words
    • 3 Pages

    • Explain Why DNA Methylation Does Not Change Its Nucleotide Sequence.

    DNA methylation is an epigenetic mechanism used by cells to control gene expression. This mechanism is a commonly used epigenetic tool…

    • 586 Words
    • 3 Pages
    Good Essays
    Read More
  • Better Essays

    Epigenetic Changes Affect Genes
    • 1414 Words
    • 6 Pages

    Epigenetic Changes Affect Genes

    This triangle-shaped diagram shows that three systems can interact to silence genes in cells. Arranged as points on the triangle, the systems are DNA methylation, histone modification, and RNA. From each of the systems, arrows point to the interior of the triangle, indicating that these systems may produce heritable silencing, though RNA-associated silencing in higher organisms has not yet been established.…

    • 1414 Words
    • 6 Pages
    Better Essays
    Read More
  • Better Essays

    epigenetics
    • 1218 Words
    • 5 Pages

    epigenetics

    C. A. Cooney, A. A. Dave, G. L. Wolff (2002) Maternal Methyl Supplements in Mice Affect Epigenetic Variation and DNA Methylation of Offspring, The American Society for Nutritional Sciences. Available at: http://jn.nutrition.org/content/132/8/2393S.short…

    • 1218 Words
    • 5 Pages
    Better Essays
    Read More
  • Good Essays

    Occupational Safety and Health and Work Place
    • 1083 Words
    • 5 Pages

    Occupational Safety and Health and Work Place

    The Family and Medical Leave Act (FMLA) and Occupational Safety and Health Act (OSHA) are laws that allow protection of employees. The arguments from both sides (Employee and Employer) about these two laws are important and carry a huge impact to both parties. The two laws offer a great deal of protection for the employee but have a large finical impact to the employer. FMLA and OSHA was enacted to aid employees in balancing work and personal obligations, without having to choose between the two in times of crisis.…

    • 1083 Words
    • 5 Pages
    Good Essays
    Read More
  • Satisfactory Essays

    Epigenetic Pros And Cons
    • 131 Words
    • 1 Page

    Epigenetic Pros And Cons

    I found the article about Epigenetic very compelling to me because it tells me something that I already believe in. It tells us that every choice we make affect our health outcomes. Even if we are born with different structions of our boys, genes and medical opportunities we can affect our own health. Even A person who is born with genes that promotes obesity or alcoholism have the opportunity to live a healthy, long an good life by feeding the body and therefore the cells with right nutrient, adequate sleep, stress and exercise. For me it is important to be aware of that we can change or lives in the right direction regardless what our genes or DNA says. In the long run this can affect out outcomes for generations ahead.…

    • 131 Words
    • 1 Page
    Satisfactory Essays
    Read More
  • Better Essays

    Epigentics Research Paper
    • 315 Words
    • 2 Pages

    Epigentics Research Paper

    Epigentics is a natural process that occurs within the body that activates and deactivates certain parts of a person's genome expressing different genes. This process occurs during early human development for purposes of cell differentiation while still in the embryonic state, but scientists have also found that this cycle continues throughout a person's life. Epigenetics helps to explain the balance between nature and nurture in phenotypic expression. Methyl groups are attached to certain base pairs along a genetic sequence inhibiting transcription of a particular gene thus turning the gene "off" and leaving it unexpressed. Environmental factors can cause methylation and de-methylation of the histone proteins that DNA is coiled around causing…

    • 315 Words
    • 2 Pages
    Better Essays
    Read More
  • Good Essays

    Occupational Health and Safety
    • 890 Words
    • 4 Pages

    Occupational Health and Safety

    In 1970, the Occupational Safety and Health Act was established to prevent on the job hazards resulting in serious injuries including death (The OSH Act, Standards, and Liability, 2010). The law requires “employers to provide their employees with working conditions that are free of known dangers” (Occupational Safety & Health Administration, n.d.). This week case study discusses the work environment of an employee that worked at a car dealership by the name of Joe Peterson. Joe was an older man that was sometimes subject to work in an environment that he believed was a danger to his health and safety. Joe suffers from arthritis and some duties at work causes him to experience penetrating agony. Joe boss, Joan Demeter frequently asks him to relocate over 300 excess cases of oil filters to another building for storing. Joe not only traveled to the storage location, but also climb stairs to access an area with low ceiling beams, no climate control, and temperatures reaching over 100 degrees. Constantly relocating excess merchandise has had a serious impact on Joe’s hips, ankles, and knees, which causes him a great deal of pain. Because of Joe’s body pain he informed Joan that he could not transport the numerous boxes into the sweltering storage area. There are some forms of arthritis that can double you risk of a heart attack (WebMD, 2013). Joe told Joan that exposure to the heat is weakening his body, and that he was in great fear of suffering from a stroke or heat exhaustion. Exposure to extreme heat can have deadly consequences to anyone who does not take proper measures to protect themselves. “When the body does not regulate its own temperature and rises to critical levels this indicates the presence of a heat stroke which can lead to death. Symptoms of heat exhaustion includes headache, collapsing, fainting, nausea, vertigo, weakness, and thirst, and these signs should not be dismissed lightly. Physical labor in a hot environment can cause heat cramps throughout…

    • 890 Words
    • 4 Pages
    Good Essays
    Read More
  • Better Essays

    Physical Restraints in Health Care Facilities
    • 1341 Words
    • 6 Pages

    Physical Restraints in Health Care Facilities

    Reducing Seclusion and Restraint for Improper Patient and Staff Safety “Health Care” 28 Dec. 2009 Web. 21 March 2011…

    • 1341 Words
    • 6 Pages
    Better Essays
    Read More
  • Good Essays

    Occupational health and safety
    • 18939 Words
    • 48 Pages

    Occupational health and safety

    Exam April 22 25 - The exam will consist of 25 multiple choice questions in the same format as the in-class quizzes, and 11 short answer questions, each with a variety of subsections worth 1 to 5 marks. ADMS 3400 Occupational Health and Safety Section M - Tues April 22 7pm 180 ACW 109 Exam 25 After midterm material. Recordings, lectures, articles, green book Chapters 2, 3, 4 (pages 81 90, 95 97, and 100 to the end of the chapter), 8, 10, 11, 12, 13, 14 Midterm 60(20), assignments 82(20), quizzes 75(20), participation (15), final (25) Video will help assignment Make sure workstation is at appropriate height If too high Keep knees to level of hips Place items in comfortable items too avoid soreness Use headset to prevent head and neck strains Ergonomically correct position of chair ideal Factors to consider height so feet on floor, push hips back, if chair has adjustable If chair insufficient back wrist use a cushion (or rolled up towel) Avoid resting feet dangling, or sitting on legs decrease circulation Use foot rest Use arm wrist- shoulder should be relaxed Let arms rest, raise elbows should be at that height Avoid problems proper positioning of keyboard and mouse Key board tray control over keyboard, height and tilt allows more workspace Should be directly in front of workstation Wrist should be straight Can use a palm rest to help wrists Mouse in close reach, should and arm should be relaxed If feel strain use key board tray, bring mouse closer to you, place a mouse bridge, hold mouse in relaxed grip, move mouse using hand and forearm Monitor Should sit directly in front of body in line with keyboard Position it at arms length away Glare can cause headaches use window tints Use glare guard, adjust it, Breaks Can reduce strains 20 second break every 20 minutes, focus on something 20 feet away Workstation correct height, chair adjustable, sit with good posture with feet on flat on floor, hand in loose grip, monitor so neck is…

    • 18939 Words
    • 48 Pages
    Good Essays
    Read More
  • Good Essays

    Example Of Epigenetic Synthesis
    • 497 Words
    • 2 Pages

    Example Of Epigenetic Synthesis

    Epigenetics is the series of chemical modifications of DNA and its connected proteins that contain phenotypic information during cell division. These modifications alter gene expression without changing DNA sequence. They differ among tissues and change over throughout the organism’s lifetime. A well-understood example of epigenetic modification is DNA methylation, the process by which a methyl group is covalently bonded to cytosine. During DNA replication, a specific enzyme recognizes unmethylated daughter CpGs and adds methyl groups to them.…

    • 497 Words
    • 2 Pages
    Good Essays
    Read More
  • Satisfactory Essays

    Epigenetics In Human Development
    • 180 Words
    • 1 Page

    Epigenetics In Human Development

    Epigenetics answers many of the human development questions and theories. Epigenetics are another way of saying you like apples because your family back in the pilgrim time loved apples. Epigenetics is more in depth with the human body than one would think. An example would be like the man said about how your clone would share the same DNA of genetics, but the epigenetics calls the shots. Where mine would say drive that car, my clones would be told don’t spend gas ride a bike. At the end of the day we share DNA but it is all about how we are raised or told. My great, great grandmother had a bad smoking habit and could be the reason of why half of the grandkids smoke. Is that an excuse to justify my smoking habit instead of caring for my lungs?…

    • 180 Words
    • 1 Page
    Satisfactory Essays
    Read More
  • Good Essays

    Proper Body Posture
    • 1088 Words
    • 3 Pages

    Proper Body Posture

    I used to have poor posture growing up. But shortly after I begun practicing yoga my posture started to improve. Yoga is known to improve posture, so are other types of exercises. Core Power Yoga, the studio I go to, is even more known for strengthening your core as a goal of each class. I have developed my core muscles a lot. All the postures promote good posture and core strength. When I am not in yoga, I focus on holding up my posture throughout my daily movements. I draw my shoulders backwards and down my back, hold my chin up high and relax.…

    • 1088 Words
    • 3 Pages
    Good Essays
    Read More

Related Topics