miércoles, 26 de enero de 2011

MOMMY AND DADDY (4 WEEKS)

      - DEVELOPMENT OF THE BABY

5–7 days after fertilization, the blastula attaches to the wall of the uterus (endometrium). When it comes into contact with the endometrium it performs implantation. Implantation connections between the mother and the embryo will begin to form, including the umbilical cord. The embryo's growth centers around an axis, which will become the spine and spinal cord. The brain, spinal cord, heart, and gastrointestinal tract begin to form

At 4 weeks pregnant, the placenta continues to thicken until the fourth month of pregnancy. The placenta actually matches the needs of your baby with the nutrients available from you to give him the specific nutrients he needs at the time. Although it's made up of shared tissue, the placenta does not allow blood from your body and your baby's to come in direct contact.



1st week (zygote)
2nd week (morula)
3rd week (blastocyst)
4th week
                    

- CHANGES OF MOM AND DAD

"Should there be government regulations requiring genetically engineered foods to be labeled?"

Genetically engineered food should be labeled because people should know wether the food they are eating is naturall or has been modified. Some people have different opinions about if this GE food is good or bad and they should be able to chose between eating or not it. The government should inform first about all the damage that it causes to the environment such as the risks and benefits that it can cause to our body.
The GE food can cause serious damage in the environment such as the toxicity to soil, Soil Sterility and Pollution, Extinction of Seed Varieties, Superweeds, Plant Invasions,Destruction of Forest Life, Terminator Trees, Superpests, Animal Bio-invasions, Killing Beneficial Insects,  Poisonous to Mammals and Animal Abuse.
More things that should be labelled is how it has been modified so the people with allergies to any compose can be careful and not consume any product that can damage him or she, also how did the product improve with the modification and the good effects it would cause (Vitamins and minerals can be provided to children and to people, where they were inaccessible befote), also it should prevent about the bad effects it can cause you.

martes, 18 de enero de 2011

What are the potential risks of genetically engineered foods overall?

Specific concerns include:
Lack of long term studies on food safety, lack of long term studies on environmental impact, diminished opportunity for organic/sustainable agriculture, potential risk of rendering Bacillius thuringiensis (Bt), a natural biological pesticide, useless due to widespread use of Bt-engineered crops, potential life threatening danger for individuals with food allergies or sensitivities who might unknowingly ingest altered foods to which they are allergic, sensitive, or intolerant, new genetic structure of foods might result in new allergens, toxicity levels of naturally occurring food toxins might result in new allergens, toxicity levels of naturally occurring food toxins might inadvertently be altered, cruelty to animals, unacceptability of creating novel organisms that would not occur through traditional means of reproduction (crossing plants and animals or unrelated species of animals), environmental damage due to cross pollination and disturbed ecosystems, pesticide tolerance, herbicide tolerance, ethical and spiritual concerns.

What are the potential benefits of genetically engineered foods overall?

The promised benefits of genetically engineered food production include:
Reduced use of pesticidas, reduced use of herbicides, reduced use of fertilizers, enhanced nutrition, drought resistance, better appearance, longer shelf-life, better flavour, temperature resistance, disease resistance, increase in food supply and decrease in world hunger.

What are genetically engineered foods?

Genetically modified (GM) foods are foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering, using a process of either Cisgenesis or Transgenesis.

What is food biotechnology?

Application of technology to modify genes of animals,plants, and microorganisms to create new species which have desired production, marketing, or nutrition related properties. Called genetically engineered (GE) foods, they are a source of an unresolved controversy over theuncertainty of their long-term effects on humans and food chains.

viernes, 14 de enero de 2011

STATEMENT OF THE ENVIRONMENTALISTS

We, the environmentalists have conclude that the things have to get worse before it gets better. Maybe now there are some issues with the biotechnological food but after they fix the problems it will be better.