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15 Cards in this Set
- Front
- Back
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allele
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an alternate form that a gene may have for a single trait; can be dominant or reecessive
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dominant
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describes a trait that covers over; or dominates, another form of that trait
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genetic engineering
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biological and chemical methods to change the arrangement of gene's DNA to improve crop production, produce large volumes of medicine, and change how cells perform their normal functions
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genetics
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the study of how traits are inherited through the actions of alleles
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genotype
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the genetic makeup of an organism
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hereditary
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the passing of traits from parent to offspring
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heterozygous
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describes an organism with two different alleles for a trait
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homozygous
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describes an organism with two alleles that are the same for a trait
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hybrid
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an offspring that was given different genetic information for a trait from each parent
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incomplete dominance
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production of a phenotype that is intermediate between the two homozygous parents
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phenotype
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outward physical appearence and behavior of an organism as a result of its genotype
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polygenic inheritance
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occurs when a group of gene pairs act together and produces a specific trait such as human eye color, skin color, or height
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Punnett Square
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a tool used to prodict the probability of certain traitsin offspring that shows the different ways alleles can combine
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recessive
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describes a trait that is covered over, or dominated, by another form of that trait and seems to disappear
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Sex-linked gene
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an allele inherited on a sex chromosome and that can cause human genetic disorders such as color blindness and hemophilia
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