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10 Cards in this Set
- Front
- Back
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What is deoxyribonucleic acid (DNA)?
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a double-stranded, helical nucleic acid molecule consisting of nucleotide monomers with a deoxyribose sugar and the nitrogenous bases, adenine, cytosine, guanine, and thymine.
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what is a nucleotide?
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the building block of a nucleic acid, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group
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what is a phosphate group?
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a chemical group consisting of a phosphorus atom bounded to four oxygen atoms
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What are the N-bases?
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guanine, cytosine, adenine, and thymine.
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what are the pyrimidines and what are their structure?
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cytosine and thymine and they have a single ring structure
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what are the purines and what is their structure?
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adenine and guanine. Their structure is a double ring structure.
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what does complimentary mean
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same base pairs always paired, T and A; G and C
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How does DNA line up
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antiparallel
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1% crossover =
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1 map unit
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what is the formula for % cross over
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number of cross overs / by the total number of hybrids times 100
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