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| DNA sugar molecules bound in long chains by phosphates and contianing nitrogen bases of Adenine and Thymine and Guanine and Cytosine |
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| the spiral shape of DNA with the sugars and phosphates making up the outside of the ladder and the nitrogen bases making the rungs. |
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| when DNA bases split apart and free nucleotides join the exposed bases to form two new copies |
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| like half of the ladder. It has Uracil instead of Thymine in bonds with Adenine. It is also used as a template for producing proteins |
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| produced in the nucleus and formed by transcription. It takes information from the DNA to teh ribosomes. |
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Definition
| the production of RNA in the nucleus |
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| tRNA found floating in the ribosomes, they bond with the mRNA in groups of 3 to form a codon |
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| the 22 pair of regular chromosomes |
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Definition
| changes in chromosomes or genes caused by external factors such as radiation and chemicals |
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| A gene mutation where some of the bases are rearranged like letters in the words of a sentence |
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| A gene mutation where whole frames or groups are moved around - very severe |
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Definition
| when pieces are broken off, lost or reconnected in the wrong place |
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