This quiz works best with JavaScript enabled. Home > Agriculture > Plant > Genetics > Principles Of Genetics – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Genetics Quiz 11 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Heredity information for traits is located in ..... A) Genes of chromosomes. B) Lysosomes in cytoplasm. C) The mitichondria. D) Chromosomes on genes. Show Answer Correct Answer: A) Genes of chromosomes. 2. Like mitosis, meiosis begins with one parent cell. How many final daughter cells are produced during the process of meiosis? A) Four daughter cells, each identical to the parent cell. B) Two daughter cells, each with half of the parent cell's chromosomes. C) Two daughter cells, each identical to the parent cell. D) Four daughter cells, each with half of the parent cell's chromosomes. Show Answer Correct Answer: D) Four daughter cells, each with half of the parent cell's chromosomes. 3. The specific genes an organism has A) Genotype. B) Homozygous. C) Heterozygous. D) Phenotype. Show Answer Correct Answer: A) Genotype. 4. What is an organism called that has two different genes for a trait? (examples:Mm or Rr) A) An endangered species. B) A hybrid. C) A purebred. D) A mutation. Show Answer Correct Answer: B) A hybrid. 5. In the F1 generation of a monohybrid cross, the phenotypic ratio would be A) 1:1:2. B) 3:1. C) 1:2:1. D) 2:1:1. Show Answer Correct Answer: B) 3:1. 6. Which of the following can be observed in a karyotype? A) A change in a DNA base. B) An extra chromosome. C) Genes. D) Alleles. Show Answer Correct Answer: B) An extra chromosome. 7. Short hair (S) is dominant to long hair (s).What is the genotype for an offspring with long hair? A) SS. B) Ss. C) Ss. D) None of above. Show Answer Correct Answer: B) Ss. 8. In humans mid-digital hair is dominant. What is the genotype of a man who has mid-digital hair, but his mother did not? A) Heterozygous Recessive. B) Homozygous Recessive. C) Homozygous Dominant. D) Heterozygous. Show Answer Correct Answer: D) Heterozygous. 9. The likelihood that a particular event will occur A) Trait. B) Punnett Square. C) Probability. D) Hybrid. Show Answer Correct Answer: C) Probability. 10. Mendel used the principles of ..... to predict what percent of offspring would show a particular trait. A) Hybrid. B) Dominant. C) Purebred. D) Probability. Show Answer Correct Answer: D) Probability. 11. What is the first step in DNA replication? A) Priming the DNA with primase. B) Base pairing with DNA polymerase. C) Putting everything together with ligase. D) Unzipping the helix with helicase. Show Answer Correct Answer: D) Unzipping the helix with helicase. 12. How did Mendel produce the F2 generation of pea plants? A) By self-pollinating true breeding plants. B) By self-pollinating two F1 generation plants that had the same traits. C) By cross-pollinating true breeding plants. D) By self-pollinating two F1 generation plants that had different traits. Show Answer Correct Answer: B) By self-pollinating two F1 generation plants that had the same traits. 13. In the Punnett square shown in Figure 11-1, which of the following is true about the offspring resulting from the cross? A) About three fourths are expected to be tall. B) About half are expected to be short. C) All are expected to be short. D) All are expected to be tall. Show Answer Correct Answer: D) All are expected to be tall. 14. Which of these is due entirely to inheritance in humans? A) Broken bones. B) Endurance. C) Eye color. D) Reading skill. Show Answer Correct Answer: C) Eye color. 15. Unit of inheritance is called A) Phenotype. B) Chromosome. C) Gene. D) Genotype. Show Answer Correct Answer: C) Gene. 16. Which term means two copies of chromosomes (2N)? A) Haploid. B) Chromosomes. C) Diploid. D) Gene. Show Answer Correct Answer: C) Diploid. 17. Error in meiosis in which the homologous chromosomes fail to separate properly A) Nondisjunction. B) Karyotype. C) Gel Electrophoresis. D) Restriction Enzyme. Show Answer Correct Answer: A) Nondisjunction. 18. When forming sex cells, the paired alleles separate so that each egg or sperm only carries one form of the allele A) Law of dominance. B) Principle of segregation. C) Law of recessiveness. D) Principle of independent assortment. Show Answer Correct Answer: B) Principle of segregation. 19. Mendels principles of genetics apply to A) Plants only. B) Animals only. C) Pea plants only. D) All organism. Show Answer Correct Answer: D) All organism. 20. For any particular trait, the pair of alleles of each parent separate and only one allele from each parent passes to an offspring is Mendel's principle of: A) Independent assortment. B) Hybridization. C) Segregation. D) None of above. Show Answer Correct Answer: C) Segregation. 21. The physical appearance of a trait is known as the- A) Intelligence. B) Phenotype. C) Characteristics. D) Genotype. Show Answer Correct Answer: B) Phenotype. 22. The process of deliberately manipulating the genes in an organism in ways other than natural processes is called ..... A) Genetic swap. B) Genetic engineering. C) Natural selection. D) Genetic drift. Show Answer Correct Answer: B) Genetic engineering. 23. Identify the heterozygous dominant genotype: A) TT. B) Tt. C) Tt. D) None of above. Show Answer Correct Answer: B) Tt. 24. Principle/Law of Dominance is defined as ..... A) Some alleles are dominant over others. B) Allele pairs separate during gamete formation and randomly unite at fertilization. C) During gamete formation genes for different traits separate without influencing each other's inheritance. D) None of above. Show Answer Correct Answer: A) Some alleles are dominant over others. 25. This type of allele is expressed whether there are one or two copies present. A) Recessive. B) Dominant. C) Homozygous. D) Heterozygous. Show Answer Correct Answer: B) Dominant. 26. Which of the following is an example of a homozygous recessive genotype? A) RR. B) Rr. C) Rr. D) None of above. Show Answer Correct Answer: B) Rr. 27. An organism's genotype is its A) Eye color. B) Feather color. C) Genetic makeup. D) Physical appearance. Show Answer Correct Answer: C) Genetic makeup. 28. Which is an example of codominance? A) A cow with white hairs and a cow with black hairs mate and produce a cow with both white and black hairs. B) A person with blue eyes and a person with brown eyes mate and have a child with brown eyes. C) A sheep with white fur and a sheep with black fur mate and produce a sheep with gray fur. D) A red-flowered plant and a white-flowered plant mate and produce a pink-flowered plant. Show Answer Correct Answer: A) A cow with white hairs and a cow with black hairs mate and produce a cow with both white and black hairs. 29. If you cross one short-winged fly (ww) with a wild-type fly (WW), what is the probability of getting a short-winged offspring in the F1generation? A) 25%. B) 100%. C) 50%. D) 0%. Show Answer Correct Answer: D) 0%. 30. Which of the following describes the Law of Segregation? A) Alleles separate from each other during formation of gametes. B) Dominant alleles will always be shown if present. C) Recessive alleles will only be seen when here are no dominant alleles. D) Recessive alleles are never inherited. Show Answer Correct Answer: A) Alleles separate from each other during formation of gametes. ← PreviousNext →Related QuizzesPlant QuizzesAgriculture QuizzesPrinciples Of Genetics Quiz 1Principles Of Genetics Quiz 2Principles Of Genetics Quiz 3Principles Of Genetics Quiz 4Principles Of Genetics Quiz 5Principles Of Genetics Quiz 6Principles Of Genetics Quiz 7Principles Of Genetics Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books