ergonomics Article

Odetta Live in live show 2005, " House

of the Rising Sun"

Odetta Holmes (1930-2008) vocalist, musician, occasional actress and individual rights powerhouse 1

http://www.youtube. com/watch? v=Aaya8jYZBO8& a=GxdCwVVULXdC1_uK3KV1zCSzPVvGV8Rv& list=ML& playnext=3

Holly Stewart Discussions

• Off campus you need to be able to get using

the login u= SFU and p= SFUMEMBER

2

Coming from a personal consultation:

How to examine efficiently?

• Summaries

• What information is important (slides's topics, my personal

questions in lecture, tutorial's study guides,

required documents and video's main concepts)

• Examine with others!

3

Query from training

2 . May gene stream prevent or perhaps speed up development

a. with divergent variety between foule,

gene circulation will reduce levels of adaptation (and

slow the progression of adaptation)

b. gene flow can introduce deviation, and thus

acceleration evolution and adaptation

c. gene circulation can prevent the evolution of

reproductive isolation, and speciation

4

Via last address

1 . Making clear: Mendel's Laws and regulations and in which your sitting down spot…

The reason of the sitting down spot corresponds to the " Law of Independent Assortment”

Traits coded by genes located on diverse chromosomes happen to be

inherited separately

Not to Mendel's " Legislation of segregation”

" users of each pair of factors (alleles) controlling a characteristic in an specific separate in different

haploid gametes”

your five

Also via last lecture

Epigenetics…

a.

Richard Gibbons Video lecture (slides 1 to 29,

all slideshow now available in Canvas)

a.

" The ghost in your genes” documented

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Essential epigenetic principles

Epigenome: Set of chemical marks in an person's

genome that affects in gene appearance. This set of

marks is heritable but can be modified by

environmental exposures.

Baylin Jones. Character Reviews Cancer 2011; 14, 726-734

several

EPIGENETIC ELEMENTS

•

•

•

•

•

No coding RNA

Histone adjustments

Histone variations

Chromatin redesigning factors

DNA methylation

All of us briefly learned about the " how's”…but what

about the " why's”?

8

Exactly why is there a great epigenome?

• Why is the epigenome necessary for

development?

– Cell differentiation

– Cells differentiation

– Life record events (e. g.

puberty*)

9

Why is there an epigenome?

• What potential adaptive benefits could the

epigenome provide?

– It enables a modifications in our expression in the,

otherwise, stationary genome as a solution to

environmental conditions

Epigenomic changes in crops

associated with environmental

stressors.

Epigenomic changes happen to be

reversible, providing the plants the

capability to temporarily stimulate

genes enabling them adjust to

those improvements

Salk Company for Biologica Studies research workers:

Bob Schmitz, Matt Schultz and Frederick Ecker.

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* Schmitz et ing, Nature 495, 193-198 (2013)

Why is right now there an epigenome?

• How come the epigenome necessary for

development?

– Cell differentiation

– Tissue difference

• What potential adaptable advantage could the

epigenome present?

– This allows for a changes in the manifestation of the,

normally, static genome to respond to

environmental conditions*

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Undesirable consequences?

EPIGENETICS

ENVIRONMENT

EPIGENOME

GENOME

PHENOTYPE

13

So… we examined basic hereditary

concepts mainly because we will require

them to figure out evolutionary

facets of health and disease

14

We will also be working together with another

important set of processes…

• Can we study into the disease in a fetus the

same way we all study an 80 year old?

• What about a 10 year old and a13 year old?

• Can we ignore sexual intercourse and gender?

• The socio-ecological circumstance?

15

Human Life Record Theory

of sixteen

http://hstalks.com/lib.php?t=HST14.1566_1_3&c=252

Life History Theory (LHT)

Evidence that ontogeny has been

shaped by all-natural selection.

Microorganisms (in average) are expected to

follow source allocation patterns across

their particular life span that result in an

optimization of their overall biological

fitness....



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