This quiz works best with JavaScript enabled. Home > Agriculture > Plant > Genetics > Principles Of Genetics – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Genetics Quiz 28 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In case red flower colour is dominant to white flower colour which of these statements is correct: A) All red-flowered plants from red flowered plants. B) A few red-flowered plants from red-flowered plants. C) Ration of red-flowered plants from white-flowered hybrid plants is 1:1. D) Only white-flowered plants from white-flowered plants. Show Answer Correct Answer: D) Only white-flowered plants from white-flowered plants. 2. If you sequence short pieces of DNA and then use a computer to find overlapping sequences that map to a much longer DNA fragment, you are using A) Shotgun sequencing. B) Hapmaps. C) Open reading frame analysis. D) Genomic. Show Answer Correct Answer: A) Shotgun sequencing. 3. Meiosis will start with one cell with a full set of chromosomes and end with ..... A) 2 cells, each with full set of chromosomes. B) 4 cells, each with full set of chromosomes. C) 2 cells, each with half the amount of chromosomes. D) 4 cells, each with half the amount of chromosomes. Show Answer Correct Answer: D) 4 cells, each with half the amount of chromosomes. 4. When Gregor Mendel crossed a tall plant with a short plant, the F1 plants inherited A) One allele from each parent. B) Two alleles from each parent. C) Three alleles from each parent. D) Four alleles from each parent. Show Answer Correct Answer: A) One allele from each parent. 5. Haploid means ..... A) Cells have half the amount of chromosomes as the original cell. B) Cells have 1/4 of the chromosomes as the original cell. C) Cells have double the amount of chromosomes as the original cell. D) Cells choose how many chromosomes they want it's a free country!. Show Answer Correct Answer: A) Cells have half the amount of chromosomes as the original cell. 6. How many chromosomes are shown in a normal human karyotype? A) 46. B) 23. C) 2. D) 44. Show Answer Correct Answer: A) 46. 7. An alternative form of a gene is called a ..... A) Chromosome. B) Trait. C) Genotype. D) Allele. Show Answer Correct Answer: D) Allele. 8. Which of the following is a hybrid? A) BB. B) Bb. C) Bb. D) None of above. Show Answer Correct Answer: B) Bb. 9. The two-letter code that describes the genetic traits of an organism is called a- A) Physical Appearance. B) Intelligence. C) Phenotype. D) Genotype. Show Answer Correct Answer: D) Genotype. 10. T = tall and t = shortWhat is the phenotype for Tt? A) Short. B) Tall. C) Medium sized. D) Neither tall or short. Show Answer Correct Answer: B) Tall. 11. Which one of these was not the result of Mendel's first experiments A) When Mendel crossed true breed purple flowers with true breed white flowers, all of the offspring in the F1 generation had purple flowers. B) After the F1 generation was left to self-pollinate, the F2 generation resulted in 705 purple flowered plants and 224 white flowered plants. C) Mendel found out that If the two alleles of a particular gene present in an individual are the same, the individual is said to be homozygous. D) Ratio= 705:224 OR 3:1. Show Answer Correct Answer: C) Mendel found out that If the two alleles of a particular gene present in an individual are the same, the individual is said to be homozygous. 12. Which blood types have two possible genotypes? A) Type O and AB. B) Type A and AB. C) Type B and O. D) Type A and B. Show Answer Correct Answer: D) Type A and B. 13. What does it mean if two sets of chromosomes are homologous? A) When sister Chromatids that are exact duplicates of each other separate during Meiosis 3. B) Chromosomes that do not have correlating genes to one another. C) Each of the chromosomes in the set from the male parent has a corresponding chromosome from the female parent. D) Matching chromosomes from the male parent is genetically identical to the one from the female parent. Show Answer Correct Answer: C) Each of the chromosomes in the set from the male parent has a corresponding chromosome from the female parent. 14. Extracting a cell from an organism and using it to create a new organism by mitosis and cell differentiation in a lab setting is known as A) Cloning. B) Transference. C) Recombinant DNA. D) Transduction. Show Answer Correct Answer: A) Cloning. 15. What did Mendel do to study different characteristics in his genetics experiments? A) He studied asexual plants only. B) He studied only tall and short pea plants. C) He cross pollinated plants. D) He grew roses that were pink. Show Answer Correct Answer: C) He cross pollinated plants. 16. A Heterozygous yellow pea plant's genotype would be: A) Yg. B) Yy. C) YY. D) Yy. Show Answer Correct Answer: B) Yy. 17. Who is considered to the be the "Father of Genetics" ? A) Gregor Mendel. B) Charles Darwin. C) Robert Hooke. D) Matthias Schleiden. Show Answer Correct Answer: A) Gregor Mendel. 18. Which statement best describes the relationship between an allele and a gene? A) An allele is a segment of a DNA molecule that controls replication of a gene. B) An allele is the part of a gene that attaches to messenger RNA molecules. C) An allele is a variation of a gene that can be expressed as a phenotype. D) An allele is the primary protein made by a gene found in a developing embryo. Show Answer Correct Answer: C) An allele is a variation of a gene that can be expressed as a phenotype. 19. Independent Assortment A) One of Mendel's principles that states that genes for different traits can segregate independently during the formation of gametes. B) Method of breeding that allows only those organisms with desired characteristics to produce the next generation. C) Mendel's second conclusion, which states that some alleles are dominant and others are recessive. D) None of above. Show Answer Correct Answer: A) One of Mendel's principles that states that genes for different traits can segregate independently during the formation of gametes. 20. What does the prefix hetero- in heterozygous mean? A) Same. B) Human. C) Different. D) Dating. Show Answer Correct Answer: C) Different. 21. What phrase best describes meiosis I? A) Duplication of paired chromosomes. B) Fusion of sister chromatids. C) Division of homologous chromosomes. D) None of above. Show Answer Correct Answer: C) Division of homologous chromosomes. 22. Characteristics are determined by interaction between genes and ..... A) Gravitational force. B) Cellular respiration. C) The environment. D) Their host. Show Answer Correct Answer: C) The environment. 23. Choose the example of the homozygous genotype A) Dd. B) RR. C) Tt. D) YyRr. Show Answer Correct Answer: B) RR. 24. Identify the homozygous dominant genotype: A) FF. B) Ff. C) Ff. D) None of above. Show Answer Correct Answer: A) FF. 25. What did Gregor Mendel's primary experiment consist of? A) Peas. B) Flowers. C) Beans. D) None of above. Show Answer Correct Answer: A) Peas. 26. A coin is flipped four times and comes up heads each time. What is the probability that the next coin flip will come up heads? A) 100%. B) 50:50. C) 1:4. D) 25:75. Show Answer Correct Answer: B) 50:50. 27. If two purebred species (BB) are crossed, what percentage of their offspring would be BB? A) 50%. B) 75%. C) 25%. D) 100%. Show Answer Correct Answer: D) 100%. 28. The number of chromosomes in a gamete(sex cells) is represented by the symbol A) 2N. B) X. C) Y. D) N. Show Answer Correct Answer: D) N. 29. Cystic Fibrosis (CF) is a genetic disorder that is controlled by a recessive allele. If a person suffering from CF were to marry an individual who is heterozygous for the trait, what % of their children could be expected to unaffected carriers of the trait? Ignore issues of sterility in persons with CF. A) 50%. B) 25%. C) 0%. D) 75%. Show Answer Correct Answer: A) 50%. 30. An example of a trait that is determined by multiple alleles is A) ABO blood groups. B) Colorblindness. C) Cystic fibrosis. D) Down syndrome. Show Answer Correct Answer: A) ABO blood groups. ← 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