vocab o science genetics
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| genetics | field of biology devoted to understanding characteristic transmission
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| heredity | transmitional characteristics from parents to offspring
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| trait | a catagory within alternate characteristics can be observed
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| cross pollination | reproduction involving two separate flowers and xsomething to move the pollin
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| p generation | each parental generation
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| f1 generation | the first offspring of the p1 generation
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| f2 generation | the offspring of the f1
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| dominant | the trait which is seen and dominates the recessive
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| recessive | has no observable effect on an organisms appearance when with dominant
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| law of segregation | states that a pair of factors is segregated during formation of a gamete
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| law of independent assortment | states that factors for different characteristics ar edistributed to gametes independetly
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| alleler | each of several forms of a gene
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| genotype | the makeup of an organism. consists of alleles
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| phenotype | the appearance of an organism as a result of its genotype
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| homozygous | when both alleles of a pair are alike
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| heterozygous | when the two alleles in a pair are different
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| monohybrid cross | a cross between individuals that involves one pair of contrasting traits
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| the steps involved in mendels experiments on piece? | 1growing plants that are pure 2cross pollinating them with contrasting traits 3.self pollonating f1 generation to make the f2 generation
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| what the difference between a gene and an allele | alleles are each of several forms of a gene
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| will both alleles from an allele pair be passed on to each gamyte which law describes this | no the law of segregation
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| is the passage of alleles for 2 different traits dependent on each other which law describes | no law of independent assortment
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| does the law of indpendent assortment work for genes located near each other on the same chromosome | no
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| how is molecular genetics different from mendelian genetics | mendelian was based off of phenotypes
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| heterozygeous | Aa 2 different versions of genae 2 traits expressed
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| homozygous dominant | AA both chromosomes have identical copies dominant alleles
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| homozygous recessive | aa both chromosomes have identical copies of recessive alleles
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| in a test cross what do you mate mystery organisms with | homozygous recessive
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| this is a classic phenotypic ratio of a heterozygous dihybrid cross | 9:3 3:1
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| a possible advantage of this disease is a resistence to malaria | sickle cell anemia
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| this law states that one allele from each allele pair will be randomly passed on to each gamyte | law of segregation
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| xlinked blood disease that effects clotting ability | hemophilia
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| extra fingers | poly adactily
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| single allele dominant degenerative disease | (blank)
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