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5 Written Questions

5 Matching Questions

  1. rule of addition
  2. cross-fertilization
  3. phenotype
  4. Unit character-traits controlled by factors (genes) which occur in pairs
  5. Principle of Dominance
  1. a process by which sperm from one flower's pollen fertilizes the eggs in a flower of a different plant
  2. b observable traits in an organism
  3. c Add probabilities of different combinations
  4. d The dominant allele is expressed even when only 1 gene is present; written with CAPITAL letter; Ex. PP or Pp - purple; The recessive allele is expressed only when both genes are recessive; written with lower case letter; Ex. pp- white
  5. e There are alternative forms of genes called alleles; Ex. P- purple; p- white; There are two alleles for each trait; Ex. Pp; PpTT

5 Multiple Choice Questions

  1. mating of two organisms that differ in two different characters
  2. offspring of two different true-breeding varieties
  3. having a single set of chromosomes
  4. mating of an individual of unknown genotype but dominant phenotype with a homozygous recessive individual
  5. alternate form of a gene

5 True/False Questions

  1. pedigreefamily tree that records and traces the occurrence of a trait in a family


  2. diploidhaving a single set of chromosomes


  3. homologous chromosomesone of the matching pair of chromosomes, one inherited from each parent


  4. homozygoushaving different alleles for a gene


  5. monohybrid crossmating of two organisms that differ in two different characters


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