This quiz works best with JavaScript enabled. Home > Plant > Principles Of Genetics – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Genetics Quiz 20 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The trait appears only in the absence of the other alleles A) Dominant. B) Recessive. C) Simple. D) Phenotype. Show Answer Correct Answer: B) Recessive. 2. What is the product of meiosis I? A) Four haploid cells. B) Two haploid cells. C) Two diploid cells. D) Four diploid cells. Show Answer Correct Answer: B) Two haploid cells. 3. Chromosomes that carry genes that code for the same products, such as hemoglobin or eye pigment, are said to be: A) Homologous. B) Heterozygous. C) Heterogeneous. D) Homozygous. Show Answer Correct Answer: A) Homologous. 4. One dog carries homozygous, long-haired traits (SS), and its mate carries homozygous short-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having long hair. A) 100%. B) 75%. C) 50%. D) 25%. Show Answer Correct Answer: A) 100%. 5. What is it called when one allele is not completely dominant over another. As a result, the heterozygous phenotype is intermediate between the two homozygous phenotypes. A) Codominance. B) Law of segregation. C) Codominance. D) Incomplete dominance. Show Answer Correct Answer: D) Incomplete dominance. 6. Gregor Mendel concluded that traits are A) Not inherited by offspring. B) Inherited through the passing of factors from parents to offspring. C) Determined by dominant factors only. D) Determined by recessive factors only. Show Answer Correct Answer: C) Determined by dominant factors only. 7. What are the physical traits of an organism, determined by the genotype? A) Hair color. B) Long Legs. C) Phenotype. D) Genotype. Show Answer Correct Answer: C) Phenotype. 8. Which of the following is the main reason Punnett Squares are useful? A) The can accurately predict all of an offspring's trait. B) The can used to determine if a male or female will be born. C) The can be used to calculate the probability of ab offspring's combination of alleles. D) None of above. Show Answer Correct Answer: C) The can be used to calculate the probability of ab offspring's combination of alleles. 9. The long, threadlike structures that are located in the nucleus of each cell in the body are called ..... A) Genomes. B) Spirals. C) RNA. D) Chromosomes. Show Answer Correct Answer: D) Chromosomes. 10. Who is called the "Father of Genetics"? A) Walter Sutton. B) Albert Einstein. C) Gregor Mendel. D) Charles Darwin. Show Answer Correct Answer: C) Gregor Mendel. 11. What is the genotype of a person who has type B blood but their parent had type O blood? A) IBi. B) IBIB. C) IbO. D) OB. Show Answer Correct Answer: A) IBi. 12. Select the correct genotype:Heterozygous A) Jj. B) HH. C) KK. D) Rr. Show Answer Correct Answer: A) Jj. 13. Which of the following genetic screening techniques is BEST used to see how genes are passed on from one generation to the next? A) Karyotype. B) Punnett square. C) Gel electrophoresis. D) Pedigree. Show Answer Correct Answer: D) Pedigree. 14. In rabbits, there are four different versions of the gene for coat color. What pattern of inheritance is this? A) Polygenic inheritance. B) Codominance. C) Multiple alleles. D) Incomplete dominance. Show Answer Correct Answer: C) Multiple alleles. 15. Physical characteristics of an organism. A) Genotype. B) Phenotype. C) Genes. D) Homologous. Show Answer Correct Answer: B) Phenotype. 16. Crossing over during Prophase 1 of Meiosis is important because ..... A) It prevents mutations from entering the gametes. B) It allows for even distribution of chromosomes in the gametes. C) It allows for more genetic diversity of gametes. D) It allows for genetic uniformity of gametes. Show Answer Correct Answer: C) It allows for more genetic diversity of gametes. 17. The Austrian Monk who discovered the basic principles of heredity was ..... A) Gregor Mendel. B) Dr. James. C) Ms. Kytola. D) None of above. Show Answer Correct Answer: A) Gregor Mendel. 18. The tectonic plates move due to the convection cycles within the mantle of the Earth. A pot of water on a hot stove also has convection cycles that heat up the water. Which of the following best describes what convection is? A) Warmer, more dense fluid rises and cooler, less dense fluid sinks. B) Warmer, more dense fluid sinks and cooler, less dense fluid rises. C) Warmer, less dense fluid rises and cooler, more dense fluid sinks. D) Warmer, less dense fluid sinks and cooler, more dense fluid rises. Show Answer Correct Answer: C) Warmer, less dense fluid rises and cooler, more dense fluid sinks. 19. The process in which characteristics are passed from parents to offspring is known as ..... A) Traits. B) Heredity. C) DNA. D) None of above. Show Answer Correct Answer: B) Heredity. 20. Succulents, like cacti and aloe, are plants that can store water in their leaves or stems. Succulents often have multiple methods of reproduction. Which of the following reproductive methods represents sexual reproduction? A) A succulent leaf lying on the ground grows roots and leaves to form a new plant. B) A piece of stem grows into a new plant. C) A bud forms on the side of a succulent plant and produces a stem and roots of its own. D) A bee carries pollen from one succulent plant to the flower of another, which produces seeds. Show Answer Correct Answer: D) A bee carries pollen from one succulent plant to the flower of another, which produces seeds. ← PreviousNext →Related 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 8Principles Of Genetics Quiz 9Principles Of Genetics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books