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DNA as the molecule of inheritance

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Describe the structure and function of deoxyribonucleic acid (DNA) as the molecule of inheritance.

a.Describe the structure of DNA.

b.Discuss how the structure of DNA allows it to serve as the basis for inheritance.

c.Examine how meiosis allows DNA to be divided into gametes.

d.Describe how this relates to Gregor Mendel's patterns of inheritance.

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Solution Preview

a. DNA or deoxyribonucleic acid is composed of a sugar molecule (deoxyribose) and a nucleic acid (adenine, cytosine, thymine or guanine). Deoxyribonucleic acids are attached to each other to form a chain by phosphate groups. Two chains of nucleic acids can bind to each other by way of hydrogen bond interactions between thymines and adenines as well as cytosines and guanines in a fashion that forms a double helix.

references:
http://www.blc.arizona.edu/Molecular_Graphics/DNA_Structure/DNA_Tutorial.HTML
http://biology.clc.uc.edu/courses/bio104/dna.htm

b. The structure of DNA and its assembly into the double helix allows for incredible higher order structures that condense meters of DNA into nanometer ...

Solution Summary

Short paragraphs with web references answering 4 questions regarding DNA as the model of inheritance.

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