Sentences with phrase «dna is copied»

As the DNA is copied over and over again throughout a dog's life, DNA transcription errors can accumulate.

As our cells divide, our DNA is copied.

But even if DNA is copied perfectly, mistakes in the DNA sequences do occur.

Interestingly, though, this works if and only if one parent has the disease, not both, because the clipped DNA is copied from the healthy cell to the formerly mutated one.

After DNA is copied, transcribed, or repaired, its chromatin packaging needs to be reassembled.

As a fertilized, virus - carrying egg divides and grows into an embryo, the koala retrovirus DNA is copied into every new cell.

Asf1 act as a freight train that transports histones to the nuclei of our cells where the DNA is copied during cell divisions.

Her discoveries in this process help us understand how DNA is copied when cells divide and how that process goes wrong, which can result in mutations.

When this quinone builds up, cells can't replace all the missing adenine fast enough, leading to errors when the DNA is copied.

Transcription is the first step of gene expression when DNA is copied.

Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA.

The researchers also investigated the impact of aneuploidy on other biological pathways, such as transcription, the first stage of gene expression in which a segment of DNA is copied into RNA.

Extra bases are easily added or lost when the DNA is copied, so the number of repeats in each of these stretches, known as microsatellites, varies widely from one individual to another.

«We chose this oxidized base,» he said,» because we knew that when DNA is copied, an oxidized G causes a mistake.

DNA is copied with each round of cell divisions, and copy errors accumulate as a father ages.

In non-crossover events, smaller pieces of DNA are copied from one arm and pasted onto another, like the crown from the King of Hearts in one player's hand suddenly appearing atop another player's King of Spades.

However, sometimes various sections of the DNA are copied incorrectly or pasted together at the wrong location, leading to genetic mutations that cause diseases such as cancer.

Transcription is the first step in gene expression, where the genes on our DNA are copied into molecules called messenger RNAs (mRNAs).

Not exact matches

In the human version, scientists use an RNA guide to direct an enzyme, Cas - 9, to a specific point in any organism's DNA — where, like an eagle - eyed copy editor, the enzyme snips out an errant letter or sequence as if it were expunging a typo.

Also found in the water bear genome were more copies of an anti-oxidant enzyme and a DNA repair gene than in any other animal.

Now Technicolor has many DNA copies which, combined, are no bigger than a speck of dust.

He also points out that the cost of copying DNA material is almost free, as is the cost of long - term storage.

Only whole cells may contain all the necessary machinery for self - reproduction... Not only is DNA incapable of making copies of itself, aided or unaided, but it is incapable of «making» anything else... The proteins of the cell are made from other proteins, and without that protein - forming machinery nothing can be made.»

Jesus is the exact copy of the DNA of God, so they are the same.

For Dawkins, by far the most important aspect of biological nature is the ability of certain stretches of DNA («genes») to engender faithful copies of themselves, under conditions that prevail.

Any type of hereditary material, be it DNA or anything else, which can be transmitted from one ancestral system to two or more daughter systems, must in effect contain instructions for its own copying.

All cases where prosecutors are using low copy number (LCN) DNA evidence to pursue a conviction are being reviewed by the crown prosecution service (CPS).

Here's what they found — during cell division, UHRF1 recognizes newly copied DNA at sites that are missing methyl tags.

These highly repeated bits of DNA are capable of expressing and inserting new copies of themselves back into the genome — hence the sobriquet «jumping genes.»

A vivid imagination was also important to Kary Mullis, who shared a Nobel prize in chemistry for inventing a way of copying DNA.

This particular founder was born missing the letters A (for adenine) and G (guanine) from the DNA chain at the 185 site on one copy of his or her BRCA1 gene.

The new work is similar in spirit to the polymerase chain reaction, which amplifies virtually any snippet of DNA and attaches a fluorescent probe to the copies.

Blackburn and Szostak determined that it was a specific DNA sequence in the telomeres that kept chromosomes from fraying whenever they were copied when a cell splits in two.

1983: Polymerase chain reaction (PCR) technique is developed to copy DNA fragments.

«Copy number variants in human DNA can be compared to repeated or missing paragraphs or pages of text in a book,» said senior author Dr. James R. Lupski, Cullen Professor of Molecular and Human Genetics at Baylor.

Because of a quirk in the way the DNA is replicated, the ends are not completely copied, and that information would gradually be lost if not for the telomeres.

This is Dr. Pengfei Liu holding human DNA treated with fluorescent dyes prepared for copy number variant analysis.

Silver - Russell syndrome had a genetic component, but the twins suggested that it wasn't a conventional hereditary disease, as identical twins carry carbon copies of each other's DNA.

This vaccine would include a circular plasmid of DNA with the genes of specific proteins of the Zika virus inserted into it, and its effect will be similar to that of an inactivated vaccine — making the virus unable to copy itself.

One idea is that the lagging strand polymerase is quicker to stop copying and let go of the DNA when it makes a mistake, whereas the polymerase on the leading strand never needs to release its hold and so is more likely to push on through a mismatched spot.

Many biologists suspect that this copying bias may result from the way double - stranded DNA molecules are arranged; each strand has the same sequence of bases, but one is backwards.

When mutations are detected, four copies of p53 join together and bind to DNA, sounding a cellular alarm that triggers repair or self - destruction.

As those cells proliferated in laboratory dishes, the bits of human DNA were also copied, creating cell lines, each of which had a different fragment.

In order to replicate, cells must make copies of their DNA, which is made up of building blocks called deoxyribonucleotide triphosphates (dNTPs).

It utilizes specific, immobilized probes that can be interrogated using DNA from normal and diseased sources, providing a wealth of information on copy number changes throughout the genome at much finer resolution than has been previously achievable.

For example, the genes the microbe uses to copy genetic information from DNA and translate it into proteins are very similar to the ones we use.

A key advantage of this approach is detection without the need for RNA purification or copying RNA into DNA.

Identifying microbes involves isolating the DNA of samples, and then amplifying — or making many copies — of that DNA that can then be sequenced, or identified.

Now it appears that all DNA is not recreated equal — one strand of the helix is copied more reliably than the other, according to a report in the current Proceedings of the National Academy of Sciences.

Several species, including Arabidopsis, rice, mice and humans, copy a surprising amount of RNA from the «wrong» DNA strand — that is, the strand opposite the one that specifies a protein.