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5 Written questions

5 Matching questions

  1. heterozygous
  2. recessive allele
  3. test cross
  4. rule of multiplication
  5. genetics
  1. a descriptive of an allele in a heterozygous individual that does not appear to affect a trait
  2. b the study of heredity
  3. c having different alleles for a gene
  4. d mating of an individual of unknown genotype but dominant phenotype with a homozygous recessive individual
  5. e Probability of combination is product of individual probabilities

5 Multiple choice questions

  1. alternate form of a gene
  2. diploid body cells
  3. 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
  4. process by which sperm from one flower's pollen fertilizes the eggs in a flower of a different plant
  5. mating of two organisms that differ in two different characters

5 True/False questions

  1. homozygoushaving different alleles for a gene


  2. homologous chromosomesmating of two organisms that differ in only one character


  3. geneegg or sperm sex cell that contains a single set of chromosomes, one from each homologous pair


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


  5. genotypeobservable traits in an organism


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