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Because they are sequence of messenger RNA (mRNA) that the promoter - first codon, failed to find a pair in ribosomes. Example, if the sequence of promoter is UGC in mRNA, it must find an rRNA with a codon having the sequence of ACG in order for the process to happen - however, it will still be useless if there is no AUG sequence for it is the start codon and the process starts here. But if the promoter of the mRNA failed to find a pair, then it will no longer be used in the process, and then now called "junk DNA".

These junk DNA are used to fill up our genome.

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15y ago
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5mo ago

"Junk DNA" refers to parts of the DNA sequence that do not code for proteins or have known functions. These regions were once thought to be non-functional remnants of evolution, but research suggests they may play regulatory roles in gene expression and genome organization.

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10y ago

There is nothing like DNA junk in your body, probably. Your knowledge of genetics is too preliminary to understand the role of so called junk DNA. Every gene takes active part in formation of the entire organism from the single cell, probably. Incidentally from last four hundred years, the humanity has been calling itself as 'Modern society'.

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12y ago

In DNA molecules, there are segments which are called genes and they are separated by DNA which has no known use. They don't seem to code for anything. These segments are called "junk" DNA. They must have some use but it has not been found yet.

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11y ago

Portion of DNA which does not express itself through its genes is called junk DNA

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10y ago

It is when DNA is not of a prime material.

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11y ago

Because it does not express the traits

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Q: What do you mean by junk DNA?
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Continue Learning about Biology

What is non-coding DNA?

Non-coding DNA, also known as non-coding regions or junk DNA, refers to segments of DNA that do not code for proteins. While once thought to have no biological function, non-coding DNA is now known to play roles in gene regulation, chromosome structure, and evolutionary processes.


What is the holder and protector of the DNA?

The nucleus of a cell is the holder and protector of DNA. DNA is stored within the nucleus in the form of chromosomes, which contain the genetic information necessary for cell function and inheritance. The nuclear membrane surrounds the DNA, helping to protect it from damage and regulate its expression.


What are the parts of DNA that determine traits called?

The parts of DNA that determine traits are called genes. Genes are specific sequences of DNA that provide instructions for making proteins, which play key roles in determining an organism's traits and characteristics.


What is the part of a strand of DNA with regulatory sequences?

The part of a strand of DNA with regulatory sequences is called the promoter region. This region is located upstream of the coding region and contains specific sequences that interact with regulatory proteins to control gene expression. The promoter region plays a crucial role in initiating the transcription of the gene.


What enzyme glues the DNA together after replication?

DNA ligase is the enzyme responsible for sealing the nicks in the sugar-phosphate backbone of the newly synthesized DNA strands during DNA replication. It forms phosphodiester bonds between adjacent nucleotides to join the DNA segments together.

Related questions

Is DNA junk or not junk?

AnswerThere is junk DNA or non-coding DNA. This DNA is the segment before the promoter of a different gene.


What is DNA coding?

junk DNA


What percent of the DNA is junk?

You are 98% junk.


What is the difference between coding DNA and junk DNA?

Coding DNA refers to the portion of DNA that contains instructions for making proteins, while junk DNA, also known as non-coding DNA, does not encode proteins. Junk DNA plays roles in regulating gene expression, chromosome structure, and other cellular functions, although its exact functions are still being explored.


Why can't they call the extra pieces of DNA that we didn't need or use junk DNA?

They are called non-coding DNA. It was called "junk DNA" at one time by people doing research on DNA because they didn't think these DNA codes had any use. Now they know that they have uses and so have stopped using that name "junk DNA".


What would happen if we didn't have junk DNA?

If we didn't have junk DNA any mutation would cause damage to essential sequences of DNA and likely kill the host. It would be to dangerous to be in the sun because uv radiation cause mutations. However most of the mutation occur in the non essentioal junk DNA thus protecting essential DNA.


Why is the outdated term junk DNA a misnomer for noncoding regions of the human genome?

The conservation of "junk DNA" sequences in diverse genomes suggests that they have important functions.


How can junk DNA be related to human evolution?

"Junk" DNA isn't just junk. It also contains inactive genetic code. For example, we still have genetic code for a prehensile tail in our DNA. Rarely, this becomes activated in humans today which results in a vestigial tail.In the junk DNA we find all sorts of interesting correlations between species that gives a greater depth of knowledge about where we came from.


What is the region of genes with no known function?

Junk DNA


What is non-coding DNA?

Non-coding DNA, also known as non-coding regions or junk DNA, refers to segments of DNA that do not code for proteins. While once thought to have no biological function, non-coding DNA is now known to play roles in gene regulation, chromosome structure, and evolutionary processes.


What type of gene gets blockedout?

Junk DNA gene


Are they any genetic materials with no known function?

Junk DNA