This quiz works best with JavaScript enabled. Home > Plant > Principles Of Genetics – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Genetics Quiz 31 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens in meiosis during telophase II? A) A total of four daughter cells form. B) DNA doubles to produce sister chromatids. C) The mitotic spindle forms. D) Two diploid cells are produced. Show Answer Correct Answer: A) A total of four daughter cells form. 2. Snapdragons, a flowering plant popular with gardeners, can have red, white, and pink colored petals. When a snapdragon with red petals (RR) is crossed with a snapdragon having white (rr) petals, the offspring have pink petals. The pink coloration (Rr) is a phenotype in between the red and white parental phenotypes. What is this kind of inheritance pattern called? A) Classic dominance. B) Bipolar inheritance. C) Incomplete dominance. D) Recessive inheritance. Show Answer Correct Answer: C) Incomplete dominance. 3. Which term means one copy of chromosomes (N)? A) Diploid. B) Haploid. C) Chromosomes. D) Gene. Show Answer Correct Answer: B) Haploid. 4. Having two of the same genes for the trait (sometimes called purebred). A) Homozygous. B) Hetrozygous. C) Protein. D) Chromosome. Show Answer Correct Answer: A) Homozygous. 5. A Punnett square determines A) Which genotype an offspring will have. B) Which phenotype an offspring will have. C) How likely an offspring is to have a certain genotype. D) How many offspring will be produced. Show Answer Correct Answer: C) How likely an offspring is to have a certain genotype. 6. Which of the following alleles is homozygous recessive? A) Tt. B) Tt. C) TT. D) T. Show Answer Correct Answer: A) Tt. 7. A mutation is a change in A) DNA. B) Appearence. C) Hair. D) Arms. Show Answer Correct Answer: A) DNA. 8. Which of the following statements is true regarding blood types? A) A and O are codominant, B is recessive. B) B and O are codominant, A is recessive. C) A and B are codominant, O is recessive. D) A, B and O are all codominant with each other. Show Answer Correct Answer: C) A and B are codominant, O is recessive. 9. Entire set of genetic information that an organism carries in its DNA A) Pedigree. B) Genome. C) Karyotype. D) Autosome. Show Answer Correct Answer: B) Genome. 10. In birds the alleles for color show codominance. One allele is blue and one allele is white. What would the heterozygote look like? A) Light Blue. B) Blue. C) White. D) Blue with White Tipped Feathers. Show Answer Correct Answer: D) Blue with White Tipped Feathers. 11. If a pea plant that is heterozygous for round, yellow peas (RrYy) is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas (RRYy), how many different phenotypes are their offspring expected to show? A) 8. B) 4. C) 2. D) 16. Show Answer Correct Answer: C) 2. 12. A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be A) Black. B) White. C) Gray. D) Speckled (black and white). Show Answer Correct Answer: D) Speckled (black and white). 13. A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb? A) 3/16. B) 4/16. C) 8/16. D) 12/16. Show Answer Correct Answer: B) 4/16. 14. Mitosis involves this many divisions of the nucleus. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 15. Where would genetic drift most likely occur? A) An orchard with thousands of orange trees. B) A greenhouse of snapdragons. C) A pea plant farm. D) A petting zoo with dozens of pygmy goats. Show Answer Correct Answer: D) A petting zoo with dozens of pygmy goats. 16. Height in humans is an example of A) Incomplete dominance. B) Codominance. C) Multiple alleles. D) Polygenic inheritance. Show Answer Correct Answer: D) Polygenic inheritance. 17. In gigantoraptors, green scales are dominant to red scales. What is the genotype of gigantoraptors that produce red scales? A) Gg. B) Gg. C) GG. D) Both GG and Gg. Show Answer Correct Answer: A) Gg. 18. What did Gregor Mendel discovery in the results of his first experiment? A) Only the dominant trait appeared!. B) The offspring were all different!. C) Only the recessive trait appeared!. D) The plants were more healthy. Show Answer Correct Answer: A) Only the dominant trait appeared!. 19. Hetero A) Different. B) Same. C) Always. D) Also. Show Answer Correct Answer: A) Different. 20. If I cross a green pea plant (G) with a yellow pea plant (y), what genotypes will the plants be? A) All Gy. B) Half Gy. C) Some GG, some yy. D) Some Gy, yy, GG. Show Answer Correct Answer: D) Some Gy, yy, GG. ← 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