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20 Cards in this Set
- Front
- Back
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Behavior |
The action or reaction of people or things under certain circumstances |
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Genetic components of behavior cans be studied using.... |
Twin studies |
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Studied genetic component to homosexuality in males |
Bailey and Pillard in 1991 |
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Genetic behaviors have been examined using... |
Drosophilia melanogaster (fly) |
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The Fruitless Gene |
First isolated in 1963 Changes the production of serotonin in cells Males with the gene court males Females with the gene court females |
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Circadian Rhythm |
Physiological cycle that lasts about 24 hours in all eukaryotic organisms |
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Genes involved in Circadian Rhythm (4) |
Per gene Timeless gene Clock gene Cycle gene |
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Basic Molecular Mechanism |
when clock gene products negatively regulate their own expression |
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Per gene and Timeless gene turn on in... |
midday |
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What can break down the timeless protein? |
Light |
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Clock and Cycle proteins activate transcription of... |
Per and Timeless genes |
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Genome |
Sum total of genetic information in a cell or organism |
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Leaders of genetic sequencing |
Venter and Collins |
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Characteristics of the Human Genome |
Size: ~3 billion base pairs Number of genes: ~21,000 Unknown genes: ~40 percent |
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Genome Composition |
Coding: less than 5%
Repeats: at least 50% or more |
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Repeats in the Genome Composition (3) |
Centromeres Telomeres Ribosomal rRNA gene clusters |
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Polymorphism |
-presence of genetic variation in a population
-much greater within a group |
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Genome transplantation into a bacteria |
make a new genome and put it into an existing cell |
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Examples of synthesized genomes |
Poliovirus, mycoplasma bacteria |
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Genomes that have been sequenced |
human mitochondrias, lambda virus, Haemophilus influenzae |
