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Chapter 4

Chapter 4 Notes

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Department
Anthropology
Course
ANTA01H3
Professor
R Song
Semester
Summer

Description
An Overview of the Human Genome -genome: the alleles possessed by an organism -the entire human genome has been sequenced as of spring 2003 -we still need to discover how the DNA builds an organism -most of the genome is not composed of genes, possibly 98% of doesnt code for proteins -this nongene material is called noncoding DNA -used to be referred to as junk DNA -some of it marks the beginnings and ends of coding sequences -some serves to regulate gene function and activity level -some jumps around carrying other DNA with it, allowing the genetic code to reshuffle its elements -this provides a partial explanation for why a small number of genes can produce such a huge variety of proteins -some noncoding DNA is made up of repetitive seq
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