CH 10 HW - TAKE HOME QUIZ 4 ON CHAPTER 10(40 Points...

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TAKE HOME QUIZ # 4 ON CHAPTER 10 (40 Points) OBSERVING PATTERNS IN INHERITED TRAITS Multiple-Choice Questions (0.5 points each) 1. A locus is a. a recessive gene. b. an unmatched allele. c. a sex chromosome. d. the location of an allele on a chromosome. e. a dominant gene. 2. Various forms of a gene at a given locus are called a. chiasmata. b. alleles. c. autosomes. d. loci. e. chromatids. 3. Diploid organisms a. have corresponding alleles on homologous chromosomes. b. are usually the result of the fusion of two haploid gametes. c. have two sets of chromosomes. d. have pairs of homologous chromosomes. e. all of these 4. Which of the following genotypes is homozygous? a. AaBB b. aABB c. aaBB d. aaBb e. AaBb              5.     The most accurate description of an organism with                      genotype  AaBb  is a. homozygous dominant. b. heterozygous. c. heterozygous dominant. d. homozygous recessive. e. heterozygous recessive. 6. Which organism did Mendel utilize to work out the laws of segregation and independent assortment? a. the fruit fly b. Neurospora c. the garden pea d. the chicken e. E. coli 7. Mendel’s study of genetics differed from his contemporaries’ studies because he a. used only pure-breeding parents. b. examined several different traits at the same time. c. kept careful records and analyzed the data statistically. d. worked on plants rather than animals. e. confirmed the blending theory of inheritance. 8. Mendel found that pea plants expressing a recessive trait a. were pure-breeding. b. appeared only in the first generation of a cross between two pure-breeding plants expressing contrasting forms of a trait. c. disappeared after the second generation. d. could be produced only if one of the parents expressed the recessive trait. e. none of these             9.     If  R  is dominant to  r,  the offspring of the cross of  RR                        with  rr  will a. be homozygous. b. display the same phenotype as the RR parent. c. display the same phenotype as the rr parent. d. have the same genotype as the RR parent. e. have the same genotype as the rr parent. 10.
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CH 10 HW - TAKE HOME QUIZ 4 ON CHAPTER 10(40 Points...

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