Lab 6 - Laboratory 6: DNA Structure and DNA Fingerprinting...

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Laboratory 6: DNA Structure and DNA Fingerprinting LAKSHMI PRABHU LS 371
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DNA Structure Deoxyribonucleic Acid - Building blocks =
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Chromosomes http://www.bay13.net/pics/desktop/morepictures/DNA.gif DNA is wrapped around proteins to form chromosomes. They exist as HOMOLOGOUS CHROMOSOMES in our bodies (each chromosome has a nearly identical pair, one from mom, one from dad) Diploid cells have paired chromosomes: - 23 paired chromosomes in humans -250 in amoebas -78 in dogs -8 in flies
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HAPLOID v/s DIPLOID HAPLOID : One half of the chromosomes present Eg: gametes (egg and sperm) Have unpaired chromosomes Half the DNA DIPLOID: They have paired chromosomes . -23 paired chromosomes in humans -250 in amoebas -78 in dogs -8 in flies
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DNA Replication In order for a cell to divide, it must double its amount of DNA during MITOSIS
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Mitosis Semi-Conservation Replication The two copies of the replicated chromosome join together to make SISTER CHROMATIDS During mitosis (cell division), the two chromosomes are separated into different cells
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This note was uploaded on 04/18/2011 for the course LS 371 taught by Professor Prabhu during the Spring '11 term at San Diego State.

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Lab 6 - Laboratory 6: DNA Structure and DNA Fingerprinting...

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