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18 Cards in this Set
- Front
- Back
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How are adoption studies used to distangle genetic and environmental influences? |
MZ twin raised apart design and investigate resemblance child with adoption- and biological parents. |
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Diploid |
Having two copies of a gene |
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Phenotype is determined by |
epigenetics, genomic imprinting and environment |
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What is the function of Healll enzyme? |
It cuts the taster allele but doesn´t cut the non-taster allele |
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Allele frequency |
copies of an allele/total number of alleles |
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Genotype frequency |
individuals with particular genotype/all individuals |
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Hardy Weinberg equation |
p2+2pq+q2=1 |
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Idea of John Locke (1632-1704) |
Individuals are born without mental content (tabula rasa) |
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Idea of Francis Galton (1822-1911) |
Thought human abilities may be inherited |
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Structure of nucleotides |
central suger molecule, base groups 1', phosphate 5' and OH group 3' |
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What are chromosomes? |
DNA tightly wound around proteins |
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What are genes? |
Region in DNA that encodes a protein molecule (exons) |
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Why is blending inheritance not true? |
After a few generations there will be no variation left for natural selection to act upon. |
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What is PCR? |
A biochemical technique that multiplies a specific stretch of nucleotides |
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Morphological traits |
What an organism looks like |
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Physiological traits |
How an organism functions internally |
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Behavioral traits |
How an organism responds to its environment |
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What kind of trait is PTC tasting |
Physiological trait |
