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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

How does a mutagen alter a genetic material?

when in the genome there is linear sequence of genes are arranged but when mutation occur in that particular gene which is performing particular job then it definately alter the genetic material from regular work

How has the human genome project been extended?

Two different teams of researchers worked on what we now know as the Human Genome Project

What they achieved was a list of how the combination of 4 letters used in genetics details how people ( humans) are assembled. One reason they did the research is the list of things-that-go-wrong-with-people / genetic diseases could not be fully understood without understanding the genome of humans

Since then the genetic code of a long list of other animals has enabled medicine to find cures for otherwise incurable conditions

How do the chemical composition and the genetic information of humans resembles those of other organisms?

Almost all organisms share the same support for genetic information: DNA. We use the same 4-bases system as any other organisms to encode proteins, ribozymes, etc. We also share nearly all of our genome with chimps, and many of our genes are found in very different organisms. An example of this would be the information encoding the ribosomal RNA or proteins. Eukaryotic cells all have nearly the same ribosomes; moreover, these "evolved" ribosomes are only an expansion of those found in prokaryotic cells.
That means we depend on the exact same chemical compound DNA, and we share a tremendous amount of genetic material with other species.

Is alcoholism genetic?

Children of alcoholics are 4 times more likely to become alcoholics. It is widely believed that alcoholismis genetic. However, no alcoholism gene has been found yet.

The structure that contains the genetic information in a bacterial cell is called the?

The structure that contains genetic information in a bacterial cell is called the nucleoid. It is not surrounded by a nuclear membrane like in eukaryotic cells but contains the cell's DNA in a region of the cytoplasm.

How to watch repo the genetic opera online?

in December try going into watch movies.net and type in repo! the genetic opera.
It's available on YouTube, too.

What is Monosomy?

Here are two examples that result in 'early fetal death' - Trisomy 13 and Trisomy 18. Meaning that when the normal [genetic] chromosomal complement is a chromosome pair, three copies of each chromosome are present and this is lethal.

What is a gene?

GeneThe central dogma of genetics was that one gene coded for one enzyme this was later altered to one gene coded for one polypeptide.

As we learn more about genetics, this begins to look like an overly simplistic view of the concept of gene. The exact definition of the term gene is in debate at the moment, as is the use of the term at all in the future. The discovery of very short RNA's (miRNA, siRNA's) which influence gene expression (without translation into peptides) are part of this debate.

Definitions

A gene is a unit of heredity in a living organism. It is normally a stretch of DNA that codes

for a type of protein or for an RNA chain that has a function in the organism. All proteins and functional RNA chains are specified by genes. All living things depend on genes. Genes hold the information to build and maintain an organism's cells and pass genetic traits to offspring. A gene is a unit of in a living organism. It is normally a stretch of DNA that codes for a type of protein or for an RNA chain that has a function in the organism.

Genes hold the information to build and maintain an organism's cells and pass genetic traits to offspring. A gene is a part of a DNA molecule that codes for a particular trait of an organism. It provides instructions on how to make a polypeptide. For example, one gene may code for the production of tyrosinase, which is an enzyme (protein) used in the synthesis of melanin (a pigment responsible for dark colors in skin and fur).

By the traditional definition, a gene is 'transcribed' into mRNA which is then 'translated' into a protein, which will produce the desired effect in an organism's cell. Some genes may contain instructions for the production of RNA that is not translated into a protein, such as tRNA, rRNA, miRNA and siRNA.

Conclusion

In essence, a gene is a section of a DNA molecule that has a unique and specific biological function.

Describe the importance of genetic engineering?

Genetic engineering is important because if we did not have it some people would suffer from not having their cells perform normally and it is used to help make abig amount of medicine, such as insulin, to help people who have diabetes.

What happens in co dominance inheritance?

both of the genotypes alleles mix and create a color for instance if a gene has two alleles and this gene is for a flower color and one allele is red and one white if there is co domminence the phenotype would be pink...

What is the most common form of DNA found in organisms?

I believe there is only one form of DNA. There are numerous forms of RNA. The least common RNA molecule is tRNA as it is stimulated by the protein synthesis cycle and is only produced at certain times.

Is it common for a population to remain in genetic equilibrium?

1) No mutations

2) No natural selection

3) No individuals in or out of a population.

4) Large population

5) Random mating

It is, however, impossible for a population to achieve genetic equilibrium. There are always going to be mutations occurring from time to time.

Definition of gene cloning?

Gene cloning is the replication of DNA fragments by the use of a self-replicating genetic material. Unlike reproductive cloning, which replicates an entire organism, gene cloning duplicates only individual genes of an organism's DNA.

What are 5 positives about cloning?

Cloning is beneficial because it is going to prevent species from becoming instinct such as animals and plants. If we don't got animals how would we human survive.. Some people might say we don't have to eat meat i agree.... but what about plants.. Plants provide our energy.... and they can produce and transplant... That is one way cloning could be beneficial hope that helps ALSOOO.... :D if heart disease destroys someone heart an exact copy.. clone.... could grow and replace it....

Where is genetic material located in a cell?

For an eukaryotic cell (e.g. human cell), it is found in the nucleus. Genetic material is not bound by membrane in prokaryotic cells (e.g. bateria) but is found in a region called the nucleoid. For an eukaryotic cell, some genetic material can also be found inside the mitochondria and chloroplasts.

How do DNA methylation and histone acetylation affect chromatin structure and the regulation of transcription?

When chromatin is tightly compacted and dense, it's called Heterochromatin. When chromatin is loosely packed, its called Euchromatin. Euchromatin is easily accessible to transcription enzymes, while herterochromatin makes transcription impossible because the enzymes cannot access the DNA. Therefore, a gene within heterochromatin cannot be expressed.

Also, look up how histone modifications such as histone acetylation affect gene expression.

What kind of molecule is G3P?

Glyceraldehyde 3-phosphate, also known as triose phosphate or G3P, is an organic compound. It occurs as an intermediate in several central metabolic pathways of all organisms.