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Genetic Engineering

Questions about the manipulation of an organisms genes in order to alter the morphological or chemical traits of the organism.

1,707 Questions

Why is it important for the nuclear membrane to be broken down during mitosis?

The nuclear membrane breaks down during prophase, while the Deoxyribonucleic Acid (DNA)

The nuclear membrane must break down to allow the chromosomes to be pulled apart and away from the area of the former nucleus towards the pole where the daughter cell will be formed. If the nuclear membrane did not break down the spindle fibers would not be able to reach the chromosomes and they would not be moved towards opposite poles of the cell.

What does a mitochondrial genetic bottleneck result in?

The result is considerable variability in the amount of mutated mtDNA molecules that each of the offspring inherits

How does all organisms make recombinant DNA technology?

They don't, only humans make and use recombinant DNA technology. We use it to modify other organisms in ways that standard breeding techniques either do not allow or would find very difficult to accomplish.

What is the process by which materials are engulfed by the cell membrane and brought into the cell?

The process by which materials are engulfed by the cell membrane and brought into the cell is called endocytosis. It involves the formation of vesicles that surround the material to be taken in and then fuse with the cell membrane to release the contents into the cell. There are two main types of endocytosis: phagocytosis, for larger solid particles, and pinocytosis, for smaller liquid particles.

Why are biotechnology companies interested in genetic information?

Biotechnology companies are interested in genetic information in order to use genectic modification to create modifications in DNA that result in new traits in an organism. For example, biotech companies have created crops that are resistant to herbicides like Glysophate, and ones that produce an insecticide within the plant itself. Pharmeceudical companies are interested in genetic information in order to use it to create new drugs.

Since patents can be obtained for the modifications, the companies make profits from them and also have the protection that for a number of years, no other company can use the patented changes.

What is the primary function of the Calvin cycle?

The primary function of the Calvin cycle is to convert carbon dioxide from the atmosphere into organic compounds, particularly glucose, which can be used by plants as an energy source and as building blocks for growth. This process occurs in the stroma of chloroplasts and is essential for photosynthesis.

Who was the first to clone?

The first animal ever cloned was a tadpole, back in 1952. Dolly was the name of the sheep that was the first mammal ever cloned. It was in 1996, presented to the world in 1997.

What is the genetic material in two daughter cells similar to the genetic material in the original parent cell?

The genetic content should be almost identical as long as the DNA repliction proof reading is 100% acurate, no translocations have taken place. The telomeres (on the ends of the chromosomes) will have shortened a little but this is noncoding DNA so is unimportant in protein expression. If there are any areas of damaged DNA the cell cycle should halt until it is repaired or undergo apoptosis (cell suicide). Anytime dude Diesal 'danger' nutkins

Where in the cell is genetic information stored?

Encoded by the DNA comprising the Genes which sit on the Chromosomes in the cells Nucleus. The genetic information in the cell is stored in the nucleus. the nucleus controls the cell and is like a little dot.

How does genetic mutation occur?

Gene mutations may occur in at least three Ways: they can be inherited from a parent, or acquired during a person's lifetime - See Epigenetics - or acquired during a person's lifetime - see Strontium 90.

Where were the first cloned plant cloned?

A vast number of plants clone themselves naturally. The ability goes back hundreds of millions of years.

How do captive breeding programs affect genetic diversity?

Captive breeding programs can affect genetic diversity in one of two ways. Within the program itself, genetic diversity is reduced, because captive breeding programs only have a limited number of animals to work with. On the other hand, animals from a captive breeding program that are re-introduced to the wild can increase genetic diversity, because they are bringing genes that may have been gone for a long time back into the gene pool.

What is Genetically programed behavior?

Theta, Gamma, Al-fa waves that can be stimulated with brain entertainment programs. To induce genetically programmed behaviour and other subconscious thoughts that can be entrained and enhanced. Yes? or No?

Answer key to world of genetics?

World of genetics word search puzzle answers

What is another way that sexual reproduction results in genetic recombination?

Parent AA and Parent aa have children. All children are Aa

Parent Aa and Parent Aa have children. 1AA:2Aa:1aa probability with each child.

This is recombination of the most direct/simplest kind.

What is the difference between a genetic disorder and a genetic mutation?

A genetic disorder is something an individual is born with, and results from a problem within their genetic material. This means they have inherited the disease or disorder from their Mother or Father. You cannot inherit an infectious disease, you acquire it during your lifetime from a germ, such as a virus or a bacterium. You can also recover from an infectious disease, whereas you will always suffer from a genetic disorder if you inherit one.