For a long time scientists have believed that mammals cannot survive when they have twice as much DNA as they should have. A rat species found in Argentina is challenging this belief. Scientists know that some non-mammals, such as fish and amphibians, can live with four copies of each chromosome instead of the usual two. These extra chromosomes give the species extra genes that may help them survive a change in the environment. Many plants also have more than two sets. For example, bananas have three of each chromosome and wheat has six of each chromosome.
In 1990, a biologist discovered that the red rat, a member of the rodent family, has 51 pairs of chromosomes. This seemed to be unusual because other members of that rodent family usually
have about 26 pairs of chromosomes. The biologist decided to use a special stain and estimate
the amount of DNA in the nucleus of the red rat's cells. He determined that the red rat has about
twice as much DNA as other types of rats
.
The red rat has 51 pairs of chromosomes. It probably has many of its chromosome segments repeated. In effect, this means that the red rat has the equivalent of four copies of most of its genes, instead of the normal two copies.
Adding too much proteinase K can lead to excessive digestion of proteins in the sample, potentially reducing the effectiveness of subsequent DNA extraction steps. It can also result in degradation of the DNA itself, as proteinase K is an enzyme that can also digest DNA in high concentrations. It is important to carefully optimize the amount of proteinase K to prevent over-digestion of proteins and DNA.
DNA damage can lead to mutations, which may result in altered gene expression or function. This can disrupt normal cellular processes, potentially leading to diseases such as cancer or genetic disorders. Cells have mechanisms to repair damaged DNA, but if the damage is too severe or if the repair mechanisms fail, it can lead to cell death.
A DNA ladder represents the double helix structure of DNA, which is composed of nucleotide base pairs. It is physically impossible to climb a DNA ladder as it is a microscopic structure within the cells of living organisms. Furthermore, attempting to climb a DNA ladder would involve breaking apart the intricate bonds that hold the base pairs together, which would disrupt the genetic information encoded in the DNA molecule.
DNA is a microscopic molecule, as it is composed of nucleotides that are too small to be seen with the naked eye. DNA is further organized into chromosomes that are visible under a microscope.
The majority of DNA in a cell is located within the nucleus. This DNA contains the genetic information that controls the cell's activities and determines its characteristics. Small amounts of DNA can also be found in mitochondria and chloroplasts.
I am not going to get into too much DNA stuff but I can give a simple explanation. Frogs are amphibians and snakes are reptiles. That is part of their DNA I guess.
With 3 DNA's of luxtails, and around 10,000 poke, (which isn't too much) you go to the DNA center and revive it:)
Adding too much proteinase K can lead to excessive digestion of proteins in the sample, potentially reducing the effectiveness of subsequent DNA extraction steps. It can also result in degradation of the DNA itself, as proteinase K is an enzyme that can also digest DNA in high concentrations. It is important to carefully optimize the amount of proteinase K to prevent over-digestion of proteins and DNA.
WAY too easy.you just add DNA with DNA which equals virus
90% are in the nucleus.But there are DNA in mitochondria and chloroplast too.
Everyone's body creates uric acid, which is then excreted from the body. However, some people may have a genetic disposition, due to their DNA passed down from their parents, to have issues with creating either too much or too little uric acid.
9O% of DNA is in nucleus.DNA is also in mitochondria and chloroplast too.
9O% of DNA is in nucleus.DNA is also in mitochondria and chloroplast too.
It is exactly the same in every species it is found in. It always has a sugar-phosphate backbone . and used to change the DNA of something which can make it immune to a disease...BY: JAZ&JAMES_29.....(TOO MUCH INSPIRED OF HIM.....:)
WAY too easy.you just add DNA with DNA which equals virus
DNA damage can lead to mutations, which may result in altered gene expression or function. This can disrupt normal cellular processes, potentially leading to diseases such as cancer or genetic disorders. Cells have mechanisms to repair damaged DNA, but if the damage is too severe or if the repair mechanisms fail, it can lead to cell death.
20.3% of your DNA contains genes