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20 Cards in this Set
- Front
- Back
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mutation
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the suddon change in the genetic makeup of an individual
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nondisjunction
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the abnormal segregation of chromosomes during meiosis
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Sutton
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corolated mendel's laws with chromosomes and genes
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Bridges
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A genetisist, he discoverd nondisjunction of fruitflies
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Beadle and Tatum
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neurospora mutant
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Griffith (Avery)
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they discovered transformation where nonencapsulated pneumococci were transformed into encapsulated...DNA caused this
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Crossing Over
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exchange of corresponding segments of a chromosome pair
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Gene
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part of a DNA molecule that's genetically active and produces a trait
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gene linkage
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the linear arrangement of genes on a chromosome
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genotype
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The gene combinations in an organism
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incomplete dominance
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Two unlike genes are expressed equally
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lethal mutation
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It is fatal to an organism
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Morgan
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discovered sex linkage in drosophila
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What did Avery and his associates discover?
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DNA caused transformation
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Mendel
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The father of genetics...came up with several genetic laws
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Weismann
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A genetisist said gametes are haploid
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What is a sex-linked characteristic?
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Any trait found on the x chromosome
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What is mendel's concept of unit characters
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A pair of chromosomes are responsible for the characteristics
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Muller
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Discovered the effects of x-rays on drosophila
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Drosophila
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fruit flies
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