ecosystems and genetics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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traits | all of the features that an organism inherits
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gene | part of the DNA code on a chromosome
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genotype | the genes that an organism has - its genetic make up
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phenotype | the combination of the genetic make up and the environment's effect on that make up.
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genetics | the study of heredity
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allele | the various forms of a gene
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dominant alleles | shows their effect on the phenotype whenever they are present int he genotype
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recessive alleles | shows their effect on the phenotype only whenever two of them are present in the genotype
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Punnett Square | a probablity to chart to help us make and understand genetic predictions
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evolution | the change in genetics of a species over time; proposed by Darwin and Wallace
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natural selection | organism which are better adapted to an environment survive and reproduce at greater rates than organisms that are not.
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mutation | process in which DNA changes results in new alleles
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adaptive radiation | the production of many species from one ancestral species
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extinction | occurs when the last individual of a species dies.
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heterozygous | organisms with different alleles for the same trait (hybrid); ex. Bb
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homozygous | organism with same alleles (purebred); ex. BB or bb
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Created by:
aberndt
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