Term
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Definition
classified organisms
gave them latin names
Principle of Fixity of Species |
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Term
| Principle of Fixity of Species |
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Definition
all species created by God
no change
evident variation is inconsequential |
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Term
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Definition
| Theory of Inheritance of Acquired Characteristics (Theory of Use and Disuse) |
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Term
| Theory of Inheritance of Acquired Characteristics (Theory of Use and Disuse) |
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Definition
all organisms have needs
organs change to meet needs
more use= more complex
less use= loss of organ
changes are inheritable |
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Term
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Definition
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Term
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Definition
catastrophes caused organism to become extinct
new organisms migrated into to empty area
new organisms are similar to extinct
results in appeared adaptation
species do not change |
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Term
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Definition
| Theory of Uniformitarianism |
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Term
| Theory of Uniformitarianism |
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Definition
only forces present today were present in the past and only they could have caused past events.
Earth older than thought |
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Term
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Definition
| Essay on Principle of Population |
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Term
| Essay on Principle of Population |
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Definition
| limited resources control population growth. |
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Term
| year On the Origin of Species was published |
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Definition
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Term
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Definition
| independently came up with same theory as Darwin |
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Term
| year Mendel's experiment published |
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Definition
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Term
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Definition
genes come in pairs
one gene per sex cell |
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Term
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Definition
| segment of DNA that codes for a protein |
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Term
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Definition
| alternative forms of same gene |
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Term
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Definition
| set of genes possessed by individual |
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Term
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Definition
| physical expression of genotype |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| expressed phenotypically in homozygote and heterozygote |
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Term
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Definition
| expressed phenoypically only in homozygote |
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Term
| Principle of Independent Assortment |
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Definition
segregation of one gene does not influence the segregation of another
more genotypes than phenotypes |
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Term
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Definition
growth of organism and maintenance of organs.
daughter cells identical to parent (diploid #) |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| holds two chromatids together |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| set of 3 amino acids that codes for a protein |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| tRNA carries an amino acid that bonds to mRNA |
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Term
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Definition
| change in allele frequencies over time |
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Term
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Definition
| error in DNA replication resulting in new allele |
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Term
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Definition
| all genes and alleles in a population |
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Term
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Definition
| community in which mating occurs |
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Term
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Definition
| ratio of one allele relative to all others |
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Term
| Hardy-Weinberg conditions |
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Definition
random mating
infinite population growth possible
no natural selection
no migration
no mutations |
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Term
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Definition
mutation
gene flow
genetic drift
natural selection |
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Term
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Definition
| exchange of alleles between populations |
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Term
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Definition
| change in allele frequency due to random events (ex. natural disaster) |
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Term
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Definition
survival of the fittest
advantageous traits inherited |
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Term
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Definition
| evolution is gradual, continuous process due to natural selection |
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Term
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Definition
| evolution is not continuous but has periods of rapid speciations and periods of no change caused by mutation and genetic drift |
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Term
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Definition
| 2 or more alleles for same gene. at least 2 have frequencies equal or greater than one percent |
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Term
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Definition
| polymorphism due to heterozygotes being more advantageous |
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