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DNA

Rebecca Shepherd

Created on February 19, 2022

DNA

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Transcript

DNA

By Rebecca

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What is DNA?

DNA charictaristics

DNa song

DNA or deoxyribonucleic acid is a long molecule that contains our unique genetic code. Like a recipe book .

DNA building blocks have three components: Phosphate, Deoxyribose, and. Four nitrogenous bases: Adenine, Guanine, Cytosine, and Thymine.

https://www.youtube.com/watch?v=T5gEIViVAPw

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4 main roles

6 Weird but true facts

Your DNA could stretch from the earth to the sun and back 600 times. ... We're all 99.9 percent alike. ... Genes make up only about 3 percent of your DNA. ... A DNA test can reveal you're more Irish than your siblings. ... The human genome contains 3 billion base pairs of DNA

+ Replication. DNA exists in a double-helical arrangement, in which each base along one strand binds to a complementary base on the other strand. ... Encoding Information. ... Mutation and Recombination. ... Gene Expression.