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Genetics Test 2012

genetics-mono/dihybrid crosses

QuestionAnswer
studied pea plants and used probability to make predictions about future offspring Gregor Mendel
lived in 1800's Gregor Mendel
used the scientific method when most scientists used observation and description Gregor Mendel
studied one trait at a time Gregor Mendel
Used mathematics of probability to make predictions Gregor Mendel
passing of traits from parents to offspring inheritance
segments of DNA on a chromosome or a chromatid that control a particular trait gene
occurs in pairs b/c there is one on each homologous chromosome allele
purebred generation of Mendel's experiments parental
generation that comes from breeding of parental generations filial
dominant allele masks (covers up)the recessive allele Principle of Dominance and Recessiveness
used to predict the results of a cross without actually crossing the traits punnett square
large letter stands for ________ _________ dominant allele
small letter stands for _________ _________ recessive allele
________ ________ represents 100% probability for each offspring punnett square
actual genetic makeup of an organism genotype
2 dominant alleles homozygous dominant
the genotype BB is an example of _______ __________ homozygous dominant
one recessive and one dominant allele heterozygous
the genotype Bb is an example of _______ heterozygous
2 recessive alleles homozygous recessive
physical description of a trait which comes from the genotype phenotype
cross involves one trait/one genotype monohybrid
cross involves two traits dihybrid
the genotype bb is an example of this type of genotype recessive
alternate expression of a gene allele
Created by: rfabish
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