This quiz works best with JavaScript enabled. Home > Agriculture > Plant > Genetics > Principles Of Genetics – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Genetics Quiz 16 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Function of dominant gene is A) Produce non functional protein. B) Produce less functional protein. C) Produce functional protein. D) Produce no protein. Show Answer Correct Answer: C) Produce functional protein. 2. What are the possible blood types of a man whose child has type A and whose wife has type B blood? A) B or O. B) B or AB. C) A or AB. D) A or B. Show Answer Correct Answer: C) A or AB. 3. Which of the following genotypes result in the same phenotype? A) AA and Ao. B) BB and AB. C) AA and BB. D) Bo and oo. Show Answer Correct Answer: A) AA and Ao. 4. A diagram showing the relative locations of genes on a chromosome is known as ..... A) Gene map. B) Linked genes. C) Haploid. D) Diploid. Show Answer Correct Answer: A) Gene map. 5. Mendel's studied Peas and how many traits A) 2. B) 7. C) 5. D) 3. Show Answer Correct Answer: B) 7. 6. In the P generation, a tall plant was crossed with a short plant. Short plants reappeared in the F2 generation because A) The alleles for both heights segregated when the F1 plants made gametes. B) The alleles for tallness begin to disappear in the F2 generation. C) The allele for shortness becomes dominant in the F2 generation. D) The allele for shortness becomes more common in the F2 generation. Show Answer Correct Answer: A) The alleles for both heights segregated when the F1 plants made gametes. 7. For any given trait there may be more than two choices for alleles, the trait may be inherited on more than one gene or chromosome, and there are many types of inheritance patterns it may follow, however, for each trait you may only inherit how many alleles? A) 46. B) 2. C) 23. D) 1. Show Answer Correct Answer: B) 2. 8. Explain why two genes found on the same chromosome are not always linked forever. A) Small portions of DNA may be exchanged through "crossing over". B) Linked genes can become unlinked during meiosis. C) Small portions of DNA are lose when polar bodies are formed. D) Some genes can be separated independently during meiosis. Show Answer Correct Answer: A) Small portions of DNA may be exchanged through "crossing over". 9. A kidney cell is an example of which kind of cell A) Sex cell. B) Somatic cell. C) Haploid cell. D) Germ cell. Show Answer Correct Answer: B) Somatic cell. 10. The pod color of pea plants is controlled by only one gene that has only two possible alleles. A) Polygenic inheritance. B) Incomplete dominance. C) Multiple alleles. D) Simple dominance. Show Answer Correct Answer: D) Simple dominance. 11. How can a tall pea plant crossed with another tall pea plant produce four offspring, within which 3 of the offspring are are tall, but one of the pea plants is short? A) One of the pea plants is homozygous recessive, while the other pea plant is homozygous recessive. This cross of pea plants would produce 3 offspring that are tall, but one of the pea plants is short. B) One of the pea plants is heterozygous dominant, while the other pea plant is homozygous dominant. This cross of pea plants would produce 3 offspring that are tall, but one of the pea plants is short. C) One of the pea plants is heterozygous dominant, while the other pea plant is heterozygous dominant. This cross of pea plants would produce 3 offspring that are tall, but one of the pea plants is short. D) None of the answers are correct. Show Answer Correct Answer: C) One of the pea plants is heterozygous dominant, while the other pea plant is heterozygous dominant. This cross of pea plants would produce 3 offspring that are tall, but one of the pea plants is short. 12. Which of the following best describes the genetic material a person receives from his or her father? A) 22 pairs of homologous chromosomes and an X and Y chromosome. B) 22 haploid cells and an X or Y chromosome. C) 23 diploid cells and an X and Y chromosome. D) 22 autosomes and an X or Y chromosome. Show Answer Correct Answer: D) 22 autosomes and an X or Y chromosome. 13. In some carnations, flower color exhibits codominance. Identify the correct genotypes for red, white, and speckled carnations. A) Red = RR, white = ww, Speckled = Rw. B) Red = RR, white = rr, speckled = Rr. C) Red = RR, white = WW, speckled = RW. D) Red = RR, white = WW, speckled = rw. Show Answer Correct Answer: C) Red = RR, white = WW, speckled = RW. 14. A mom with type A blood and a dad with type B blood have a child with type AB blood is an example of ..... A) Codominance. B) Adaption. C) Incomplete dominance. D) Natural selection. Show Answer Correct Answer: A) Codominance. 15. Gregor Mendel developed some basic principles of heredity by ..... A) Breeding fruit flies. B) Cutting off the tails of mice. C) Growing bacteria in a laboratory. D) Crossing pea plants. Show Answer Correct Answer: D) Crossing pea plants. 16. If a genotype is not known it is crossed with recessive parent to reveal what is hidden then the cross is known as: A) Backcross. B) Test cross. C) Dihybrid cross. D) Monohydrid cross. Show Answer Correct Answer: B) Test cross. 17. In rats, black coat color is dominant over white coat color. If some of the offspring of a cross between a black rat and a white rat are white, the black rat must have been A) A mutation. B) Heterozygous. C) Homozygous. D) A polyploid. Show Answer Correct Answer: B) Heterozygous. 18. How are meiosis and mitosis different? A) Meiosis produces haploid cells and mitosis produces diploid cells. B) Mitosis produces haploid cells and meiosis produces diploid cells. C) Tetrads are formed only during the process of mitosis. D) Chromatids are formed only during the process of meiosis. Show Answer Correct Answer: A) Meiosis produces haploid cells and mitosis produces diploid cells. 19. Outward appearance of an organism, regardless of its genes. A) Genotype. B) Phenotype. C) Haploid. D) Deploid. Show Answer Correct Answer: B) Phenotype. 20. A mutations involving a change in a single DNA base pair A) Will definitely result in a genetic disease. B) Will produce a positive change. C) May have an effect on the organisms phenotype. D) Will have no effect on the organisms phenotype. Show Answer Correct Answer: C) May have an effect on the organisms phenotype. 21. How is a recessive allele symbolized? A) A circle. B) Uppercase letter. C) Lowercase letter. D) They aren't represented. Show Answer Correct Answer: C) Lowercase letter. 22. Proteins are formed in the cytoplasm of cell using genetic instructions from DNA, which is located in the cells nucleus. Which of the following best explains how the genetic information gets to the site of protein synthesis? A) DNA is divided during mitosis, and one strand travels outside the nucleus to bind with RNA and form a protein. B) DNA is copied to make mRNA. The mRNA leaves the nucleus and goes to the ribosomes, where the information is used to guide protein synthesis. C) Genetic information travels from DNA in the nucleus along a strand of mRNA that is connected to ribosomes in the cytoplasm where proteins are made. D) The genetic code is transferred to ribosomes on tRNA molecules, which can pass through the nuclear membrane. Show Answer Correct Answer: B) DNA is copied to make mRNA. The mRNA leaves the nucleus and goes to the ribosomes, where the information is used to guide protein synthesis. 23. In Mendel's famous test cross between two purebred pea plants, one tall and one short, all offspring were ..... A) Short. B) Recessive purebred. C) Tall. D) Medium. Show Answer Correct Answer: C) Tall. 24. The Law of Segregation states that alleles separate during the process of ..... A) Fertilization. B) Replication. C) Meiosis. D) Mitosis. Show Answer Correct Answer: C) Meiosis. 25. A mouse is heterozygous for alleles that produce brown fur and homozygous for alleles of an epistatic gene that causes albinism. What color fur will the mouse have? A) All white. B) Mostly brown. C) Brown and white. D) Entirely tan. Show Answer Correct Answer: A) All white. 26. What is the name for different forms of a gene? A) Chromosomes. B) DNA. C) Homozygous. D) Alleles. Show Answer Correct Answer: D) Alleles. 27. The number of chromosomes in a gamete is represented by the symbol A) Y. B) X. C) N. D) Z. Show Answer Correct Answer: C) N. 28. Gene located on a sex chromosome A) Autosome. B) Karyotype. C) Genomics. D) Sex-Linked Gene. Show Answer Correct Answer: D) Sex-Linked Gene. 29. If an organisms has 2 identical alleles (TT or tt) for a trait it is called A) Homozygous. B) Twins. C) Heterozygous. D) Different. Show Answer Correct Answer: A) Homozygous. 30. The likelihood that a particular event will occur is called ..... A) Dominance. B) Fertilization. C) Segregation. D) Probability. Show Answer Correct Answer: D) Probability. ← 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