7.14AC Heredity/Genetics
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each of the black spaces below before clicking
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HEREDITY | Transfer of genetic information from parent to offspring.
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DEOXYRIBONUCLEIC ACID (DNA) | Contains information that forms the hereditary material of all cells.
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CHROMOSOME | Single, highly organized and structured piece of DNA.
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GENES | Basic physical and functional unit of heredity made up of DNA.
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GENOTYPE | Exact genetic information carried by a single individual.
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PHENOTYPE | Physical appearance of an organism.
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DOMINANT | Allele that is always expressed.
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RECESSIVE | Allele that is only expressed if there is no different allele present.
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TRAIT | Characteristic of an organism; can be genetic or acquired.
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ALLELE | Different versions of a gene.
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HOMOZYGOUS | Having two identical alleles for a particular trait.
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HETEROZYGOUS | Having 2 different alleles for a particular trait.
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NUCLEUS | Membrane-bound structure in eukaryotic cells that contains the DNA.
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GENETICS | The scientific study of heredity.
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