Ever wonder where your baby blues came from? Need to know how cloning works? Leave it to us to unravel all of your double helix questions about genetics.
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The facts on the stuff that makes you who you are.
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What really big word does DNA stand for?
DNA stands for Deoxyribonucleic Acid. Which makes it much easier to say, and remember, don’t you think?
What is DNA reponsible for?
DNA contains the genetic instructions that determine specific traits of an individual.
True or False: DNA is found in all living organisms and some viruses.
True. DNA is found in living organisms including humans, animals and plants as well as some viruses.
Where is DNA found inside a cell?
DNA is stored in chromosomes within a cell nucleus and occasionally the mitochondria or chloroplasts.
Within a chromosome, DNA is organized into:
DNA exists as a double helix in living organisms, in which nucleotides stick together in pairs and form a twisted chain-like polymer.
There are four nucleotides (shortened to A, T, C and G) that make up DNA and they each bond to each other in a specific way. How do they pair together?
A (Adenine) and T (Thymine), C (Cytosine) and G (Guanine) pair up within the double helix.
What is the name of the structure at the end of a chromosome that holds the strands together?
Telomeres, which have been compared to an aglet (the piece of plastic at the end of a shoelace) hold together the strands of DNA.
Who discovered the DNA structure?
In 1953, James Watson and Francis Crick co-discoverers of the helical chain structure of DNA — and won a Nobel Prize for it!