is all dna the same?
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Nearly every cell in a person's body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
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Humans, other animals and plants contain DNA that is made up of the same four building blocks, or nucleotides. While they have similarities, these nucleotides are arranged in different sequences. Both have vascular tissues that serve a similar function: to carry necessary blood or nutrients throughout the organism.
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What are the similarities and differences among viral genomes? All viral genomes are composed of nucleic acid and carry genes. They differ in that some genomes are DNA whereas others are RNA. Some are single stranded and others are double stranded.
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Although, for each gene, RNA is transcribed from only one of the DNA strands, the same DNA strand is not necessarily transcribed throughout the entire chromosome or through all stages of the life cycle. ... The complementary DNA strand is called the nontemplate strand.
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Scientists have shown that identical twins have very similar marks when they are born. But, as they age, the marks in their DNA become more and more different. So even though identical twins have the same DNA, they are using it in different ways. ... For example, we know that identical twins can be different heights.
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DNA Differences Identical twins do indeed start with identical DNA—they are the result of the same sperm from dad and the same egg from mom. The original fertilized egg divides one or more times before the resulting clump of cells splits into two. Each clump of cells goes on to become one of the identical twins.
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Are identical twins 100% genetically identical? It is true that identical twins share their DNA code with each other. This is because identical twins were formed from the exact same sperm and egg from their father and mother. (In contrast, fraternal twins are formed from two different sperm and two different eggs.)
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"You share 50 percent of your DNA with each of your parents. But with bananas, we share about 50 percent of our genes, which turns out to be only about 1 percent of our DNA," emails Mike Francis, a Ph.D. student in bioinformatics at the University of Georgia.
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Each mature egg and sperm then has its own specific combination of genes—which means offspring will inherit a slightly different set of DNA from each parent. ... Because of recombination, siblings only share about 50 percent of the same DNA, on average, Dennis says.
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Answer and Explanation: Yes, there is DNA in your food. We know this because humans can only eat other types of living creatures, such as fish, fruits, beans, and pork.
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A genome is an organism's complete set of DNA. If the DNA code is a set of instructions that's carefully organised into paragraphs (genes) and chapters (chromosomes), then the entire manual from start to finish would be the genome. Almost every human's genome, chromosomes and genes are organised in the same way.
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Even bananas surprisingly still share about 60% of the same DNA as humans!
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DNA contains the genetic information of all living organisms. Proteins are large molecules made up by 20 small molecules called amino acids. All living organisms have the same 20 amino acids, but they are arranged in different ways and this determines the different function for each protein.
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No, DNA lengths varies between organisms, population of the same species and between other species. For similar/closely related species (depending on how you defined it): There are different alleles (of the same locus) which could be of different length.
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DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.
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Scientists have shown that identical twins have very similar marks when they are born. But, as they age, the marks in their DNA become more and more different. So even though identical twins have the same DNA, they are using it in different ways.
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You get half of your DNA from your mom and half from your dad. And since your parents got their DNA from their parents, you also have some DNA from your grandparents. You and a first cousin share a set of grandparents so you also share some of their DNA. That's why you have about 12% of the exact same DNA.