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Question: 1. Genes on human sex chromosomes display the same inheritance patterns as genes A. True B. False…


1. Genes on human sex chromosomes display the same inheritance patterns as genes A. True B. False 2. The X chromosome and the Y chromosome have homologous regions. A. True B. False 3. What gene is most responsible for X-inactivation? A. Xic . Xist C. TsiX D. Xce 4. How many Barr bodies would an individual with a XXY genotype possess? A. 0 B C. 2 D. None of these choices are correct 5. The cout color of calico catsis a result of A. maternal inheritance B X-inactivation C. imprinting D. extra nuclear inheritance 6. The genetic control of X-inactivation is governed by a short region on the x chromosome called the A. Y-inactivation center (Yic) C. X-inactivation center (Xic) B. condensation center D. X-initiation center 7. A test cross is when an organism with a dominant phenotype and unknown genotype is crossed with what? A. a homozygous dominant phenotypeB. a true-breeding dominant phenotype C. a recessive phenotype D. All of the above 8. In humans, which sex is considered to be the heterogametic sex? A. Male B. Female

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1. Genes on human sex chromosomes display the same inheritance patterns as genes A. True B. False 2. The X chromosome and the Y chromosome have homologous regions. A. True B. False 3. What gene is most responsible for X-inactivation? A. Xic . Xist C. TsiX D. Xce 4. How many Barr bodies would an individual with a XXY genotype possess? A. 0 B C. 2 D. None of these choices are correct 5. The cout color of calico catsis a result of A. maternal inheritance B X-inactivation C. imprinting D. extra nuclear inheritance 6. The genetic control of X-inactivation is governed by a short region on the x chromosome called the A. Y-inactivation center (Yic) C. X-inactivation center (Xic) B. condensation center D. X-initiation center 7. A test cross is when an organism with a dominant phenotype and unknown genotype is crossed with what? A. a homozygous dominant phenotypeB. a true-breeding dominant phenotype C. a recessive phenotype D. All of the above 8. In humans, which sex is considered to be the heterogametic sex? A. Male B. Female

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