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

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12y ago

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What is the most likely reason why the cricket genome has 11 times as many base pairs as that of Drosophila?

Because Cricket have more noncoding DNA


Noncoding portion of DNA is composed of?

The noncoding portion of DNA is composed of several types of sequences, including introns, which are removed during RNA processing, and repetitive elements, such as transposons and satellite DNA. These sequences do not code for proteins, but play important roles in gene regulation, genome stability, and chromosomal structure.


What is the difference between heterochromatic and euchromatic regions of the genome?

Heterochromatic regions of the genome are tightly packed and less active, containing genes that are usually turned off. Euchromatic regions are loosely packed and more active, containing genes that are typically turned on.


What is the difference between intergenic and intragenic regions in a genome?

Intergenic regions are stretches of DNA located between genes, while intragenic regions are parts of a gene itself.


Do Introns represent a genome scrap yard that provides DNA segments for genome evolution and a variety of small RNA molecules?

Introns are non-coding regions of DNA that are removed during mRNA processing. While introns have been suggested to play a role in evolution through mechanisms like alternative splicing, their primary function is not considered to be as a "genome scrap yard." Small RNA molecules do not typically originate from introns, but rather from other regions of the genome.


What is the total DNA in a cell referred to as?

The total DNA in a cell is referred to as the genome. It includes all the genetic material, both coding and non-coding regions, that carries the instructions for the functioning of the cell.


Why does using more regions of the genome decrease the probability that two people would have the same DNA fingerprinting?

Using more regions of the genome increases the complexity of the DNA fingerprint, making it less likely for two people to have the same combination of alleles at all the regions. This decreases the probability of finding two identical DNA fingerprints in a population.


What percent does human genome dont code for and protein?

Approximately 98% of the human genome does not code for proteins, with the non-coding regions consisting of regulatory elements, introns, and repetitive sequences. These non-coding regions play essential roles in gene regulation, chromosomal structure, and evolution.


What is the correct pronunciation of genome?

Preferred is "JEE-nohm", but also "JEE-nom" in some regions.


What are all DNA in one cell of an organism?

All DNA in one cell of an organism is collectively referred to as the genome. The cell's genome contains all the genetic material, including both coding and non-coding regions, necessary for the cell's function and development. Each cell within an organism typically contains a complete set of genetic instructions required for its specific functions.


Why does using more regions of the genome decrease the probability that two people would have the same DNA fingerprints?

Cause u is sucking.


Why using more regions of the genome decrease the probability that two people would have the same DNA fingerprint?

Cause u is sucking.