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Chapter 14Chapter 14
The Human Genome
By Heidi Erdenetsogt
The Human Genome
By Heidi Erdenetsogt
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The human body is made up of chromosomes which all contain at least
one X chromosome.
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• There are 23 X chromosomes and 23 Y chromosomes in males.
• In females, there are 46 X chromosomes.
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Male Chromosomes
• In males, since there is only 1 X chromosome the X-linked alleles are expressed in males although
recessive.
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Nondisjunction
• When gametes are caused to have an abnormal chromosomes count, causing
a chromosomes number disorder.
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Human Genome Project
• The Human Genome Project is the attempt to sequence all human DNA.
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Gene Therapy
• Gene therapy is the process in which a missing or not working gene is
replaced with a good gene.
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DNA Fingerprinting
• DNA fingerprinting is a method which can be used to determine the identification of a specific individual.
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Karyotype• It is the picture formed after
cutting and arranging chromosomes into a photograph which is then called a karyotype.
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Pedigree• A pedigree is a diagram that is
used to show the relationships within a family.
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Genetic Disorders• A small change in DNA of one cell can effect protein structures thus causing a genetic disorder such as
cystic fibrosis or sickle cell disease.
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THE END! (;
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