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Although all calls have the DNA only some parts of it are turned on different cells (this is called gene expression). Which genes of the DNA are turned on determine the functions and kinds of cell. Even in the same kinds of cell genes can be differently expessed depending on what the cell needs to do at the time. If you have a drink of alcohol for instance a whole bunch of genes turn on in the liver to detoxify the alcohol. When you have meal hundreds of genes in the stomach, intestine and blood stream kick into action to digest the food and send it away for storage or immediate use. Cells have many things that regulate gene expression some things turn genes off or down others turn them up or on. There are factors turn on whole cascades of genes.

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15y ago

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Is the DNA in people's cheek cells as the same as the DNA in other cells?

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The DNA in brain cells and in heart cells are completely identical. Both types of cell come originally form stem cells, and therefore contain the exact same genetic material. The only difference between brain and heart cells is how they use that DNA code.


What if your skin cells have the exact same DNA as your blood cells?

This would be normal. All body cells have the same DNA, including blood cells, at least at some point during their life cycles. Mature red blood cells do not contain DNA because they do not have cell nuclei. But when red blood cells are first formed, they do have a nucleus with DNA identical to the rest of the body cells.


How is dna hereditary material?

DNA are the "instructions" for cells which contain all the genetic material. When a cell divides, the DNA inside its nucleus replicates and forms the same DNA strands in the two new cells. Therefore, when cells divide by meiosis to form sex cells, they contain the same codes of DNA as the cell they divided from, giving them hereditary characteristics.


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What do all cells taken from the same organism have?

The same genetic code or DNA.


Is your mouth and finger DNA the same?

No, the DNA in cells from your mouth (such as saliva) and your fingers are both part of your overall genetic makeup, but they may have slight variations due to factors like gene expression and environmental influences. Overall, the DNA in all your cells should be quite similar as it comes from the same source - you.


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yes same boby type and same cells diffent DNA


What is the same about the starting cells and daughter cells?

Both the starting cells (parent cells) and daughter cells have an identical copy of DNA in their nucleus


True or false the DNA from your nails is the same DNA as your hair?

True. Both nails and hair are made of a protein called keratin, and the DNA within the cells that produce these structures is the same. Thus, the DNA from your nails is the same as the DNA from your hair.


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