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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 can the number of bacteria increase rapidly in a short period of time?

Most of bacterias if not all are single celled organism, they can produce sexually or asexually (cloning). However most does tend to clone itself, this speeds up the reproductive cycle which allows them to multiply quickly.

This organelle contain our dna with all our genetic information?

The organelle that contains our DNA with all of our genetic information is the nucleus.

Compare the process used to produce a TEM and an SEM?

The process used to produce TEM will cut cells and tissues in to ultra-thin slices so that they can be viewed under the microscope. However, the ones on SEM do not need to be cut as they can easily be visualized.

The genetic code on DNA depends on the order of?

The DNA message depends upon the order of the 4 nucleotides available. These nucleotides arrange into specific patterns based on genetic information.

What process ensures that each daughter cell gets one complete set of genetic information and that each daughter cell has increased surface area?

MITOSIS. Biologists divide the events of mitosis into four phases: prophase, metaphase, anaphase, and telophase. Mitosis insures that each daughter cell has the same genetic information as the parent cell.

Breeders can increase the genetic variation by inducing what?

The introduction of animals into a breeding population that are unrelated will increase genetic variation.

How does the amount of genetic material compare between sex cells and body cells?

Half. A somatic cell contains 2n and a gamete contains just n, where n is the number of chromosomes, which varies among species.

Stating the obvious, if an animal has to have 2n, and is formed via sexual reproduction then mathematically speaking, both gametes have to only have n. The survivability of a 3n animal (of a species/generation that is 2n) is low or impossible, and will usually die, sometimes even before being born. Such errors in division do occur, and they are naturally miscarried.

What is the part of the cell that contains all the genetic information?

In a eukaryotic cell most of the genetic information is in the DNA of the chromosomes in the nucleus.

There is some DNA in mitochondria and chloroplasts, and this DNA also contains genes. For example, one version of a human mitochondrial gene can cause blindness.

In a prokaryotic cell, most of the genetic information is in the single chromosome, which is a naked circular DNA molecule in the cytoplasm. There are also some genes in small rings of DNA called plasmids. Some recombinant DNA techniques (genetic engineering) make use of plasmids for inserting genes into bacteria.

What does cloning a human completely involve?

cloning a complete human involves taking genes or cells froma human and letting them do the rest

What is one advantage of using genetic modification?

Some advantages are that they can make plants pest resistance, disease resistance, cold resistance, bigger in size and tastier.

After biomedical engineering what have to do for genetics engineering?

although they sound like the same in fact they are different. using microbes to produce food is biotechnology. but changing genes in a DNA is more specific and you can create mutants or new species.But in biotechnology you just use living creatures to produce food or try to help disabled people making an artifical leg,arm etc.

I hope this is god for you..

What is Genetic order?

Monogenetic disorders are caused by a mutation in a single gene. The mutation may be present on one or both chromosomes (one chromosome inherited from each parent). Examples of monogenic disorders are: sickle cell disease, cystic fibrosis, polycystic kidney disease, and Tay-Sachs disease.

What structures carry the MOST genetic information for a leaf cell?

I know the nucleus is in the Mesophyll cell it contains all of the component parts of plant cells in general. The Mesophyll cells are full of chloroplasts and thylakiods conatin the pigments or color of the plants. The polyn from the plants is what reproduces them and the sun and o2 keep them alive and well.

What is an initiator codon?

Initating codons- the small ribosomal subunit, the mRNA bonded to it, and the initator tRNA with its attached methionine form the initation complex.

How do superbugs develop?

The Super Bug start to take effect on you when you don't follow universal precautions like watching your hands after using the bathroom or having unclean cuts all over your body. You Immediately know if you have superbug when several pimple like boils or rash starting to appear on your face. It's called the Super bug because antibiotics cannot get rid of it because of the way it shape shift and hides itself :D

Advantages of genetic modification?

genetic modification can be bad because animals and stuff are changed to taste better but im not sure if that is genetic engineering

What organelle carries genetic material and is nicknamed the brain of the cell?

the genetic material of the cell is either DNA (Deoxyribose Nucleic acid) or RNA (ribose nucleic acid). DNA is mainly found in the nucleus of a cell, as well as in the mitochondria. It is also seen in chloroplasts in Plant cells.

Why are fruit fies an ideal organism for genetic research?

Fruit flies are prolific breeders, have 4 pairs of chromosomes, and have easily distinguishable chromosomes.

Why is genetic variation important to living things?

For one, without genetic variation, a species is more likely to face significant danger from disease. In humans there are some diseases that affect a few races more than others, but because of genetic variations, our species as a whole is more likely to adapt to new diseases and survive rather than if everybody had the same predisposition toward a disease.

What is the protective protein surrounding the genetic material of a virus?

Viruses are composed of two main parts an outer protein covering called a capsid and inside core of either DNA or RNA. Not both DNA and RNA. Some of these have an envelope over the capsid. The ones that do not are said to be naked. The proteins in the capsid allow the virus to attach to the "docking stations" proteins of the host cell. The naked viruses are more resistant to changes in the environment.

Some naked viruses include poliomyelitis, warts, the common cold, chickenpox, shingles, mononucleosis, herpes simplex (cold sores), influenza, herpes viruses and HIV (AIDS).

Some enveloped viruses include norovirus (stomach bug), rotavirus and human papillomavirus (HPV).

The envelope can be damaged by freezing temperatures, chlorine, and phenol. If damaged the virus cannot infect.

Viruses are not an organism at all. They are not alive. They are nonliving. They are like cockle burrs that "grab" hold of your clothing or a dog's coat. They are hijackers. Once they get attached to the cell of a living cell, they can take it over and "make" the living cell produce virus particles instead of cell parts. These parts can assemble into more viruses and then they break out of the cell (killing it) and begin the process again. They cannot make more viruses on their own.

They are very small and can be considered ultramicroscopic. We were not able to see them with the best light microscopes. We have to use an electron microscope to see them as they are that small. This was not available until recently.

What is the difference between xx and xy chromosomes?

First of all, you're mistaken if you asked yourself this question: XX is the female sex chromosome combination, and XY is male.

It's important to realise that this is the case in humans, but not in all animals. Other animals, for example insects, have different mechanisms for sex determination.

In humans, a fertilised egg cell will divide a few times. Then each cell will turn off all but one of its X chromosomes (the phrasing is because in rare cases a fertilized egg can end up with three or more X chromosomes). This is possible and necessary because one X is sufficient to produce the proteins encoded on it, hence two active X would result in twice the amounts needed.

If you now wondered whether an embryo can also survive and grow to adulthood with only one X and no other sex chromosomes, you are correct. This is called monosomy X and causes a condition known as Turner syndrome.

Any human with only X chromosomes will be female. The Y chromosome, which is much smaller than the X chromosome, carries some additional genes whose influence will set off several mechanisms which ultimately lead to the development as a male instead. A Y chromosome alone cannot sustain life as it does not contain many of the vital genes which are located on the X chromosome.

Who should have access to personal genetic information and how will it be used?

As genetic testing becomes more available both in terms of quality and affordability of test, more people will choose to be tested for genetic conditions and predictive risk assessment.

How is trigger finger diagnosed?

Inflammations of the tendons causes trigger fingers. Usually alternating ice and heat, resting the digit and ibuprophen helps the situation.

How does gene cloning differ from animal cloning?

Cloning - Is copying an animals DNA, it is the exact animal replica. Selectively breeding - Breeding animals with the features and characteristics that the breeder wants.