Mendelian Genetics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| allele | one of the alternative forms of a gene that determines a characteristic, such as hair color
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| gene | a segment of nucleic acids that codes for a functional unit of RNA and/or a protein
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| trait | a physical feature or characteristic of an organism coded for by one or more genes
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| heredity / inheritence | the passing of genetic traits from parent to offspring
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| hybrid | the offspring of a cross between parents that have differing traits
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| dominant | an allele that is fully expressed whenever the allele is present in an individual
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| recessive | an allele that is expressed only when no dominant allele is present in an individual
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| phenotype | an organism's appearance or other detectable characteristic based on the genotype
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| genotype | the combination of genes for a trait
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| homozygous | describes an individual that cares two identical alleles of a gene
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| heterozygous | describes an individual that carries two different alleles of a gene
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| punnett square | a graphic used to predict the results of a genetic cross
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| monohybrid cross | a cross between individuals that involves one pair of traits
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| dihybrid cross | a cross between individuals that involves two pairs of traits
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