This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Types of Genetic Mutations”. Polygenic inheritance and complex diseases. This activity has 11 multiple choice questions. The phenomenon is called, (a) Polygenic character is controlled by multiple genes, (b) Numerous intermediate types are found in between the two extremes in polygenic inheritance, (c) height weight and skin colour are polygenic, (d) polygenic trait is controlled by multiple alleles, Answer: (d) polygenic trait is controlled by multiple alleles, 38. Which pair of features represents polygenic inheritance? In a mammal how many inactivated X chromosomes (Barr bodies) would be present in cells of individuals who were XXXY? What causes mutations? Filed under Basic Science. Multiple choice questions on Types of Mutations quiz answers PDF to practice medical college admission test questions. In Mirabilis jalapa, when homozygous red flower and white flowered plants are crossed, all F1 plants have ink coloured flowers. Last modified 16/03/2015. Biology. Genes and populations. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Multiple Choice Review ... chromosomal theory of inheritance, posited after Mendel’s time? Get access to the top 10 most important objective type questions on linkage and crossing over important for NEET aspirants. c Multiple different mutations cause … About This Quiz & Worksheet. Answer:2 Q4. Save. b) MHS, MHL Search for Multiple Choice Questions On Chromosomal Abnormalities And Multiple Choice Questions On Cultural Anthropology Multiple Choice Questions On Chromosoma Chapter 01. . No. (a) polygenic character is controlled by multiple alleles, (b) in case of polygenic inheritance thousands of intermediate phenotypes are found between two extremes, (c) height, weight and skin colour are polygenic, (d) polygenic character is controlled by multiple genes, Answer: (a) polygenic character is controlled by multiple alleles, 7. animals is called: • (a) Poh, ploidy (b) Euploid (c) aneuploid) (d) None. 1 decade ago. 12 Questions . These short solved questions or quizzes are provided by Gkseries. View Answer, 2. Mosaic trisomy is: (a) Trisomic (h) Monosomic (c)Tertrasom s (U) Nullisomics. Google Classroom Facebook Twitter. If coloured phenotype is recessive to agouti, what ratios would be obtained? You can also learn by reading the feedback for incorrect answers. Multiple Choice Review ... chromosomal theory of inheritance, posited after Mendel’s time? Chromosomal Basis of Inheritance MCQ (Multiple Choice Questions and Answers) Q1. MULTIPLE CHOICE: Which of the following is NOT a chromosomal mutation? 2. 5. a. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. Answers to the Multiple Choice Questions for Volume 2, Number 4 Multiple pregnancy With regard to the epidemiology of twins, 1 the incidence of monozygotic twinning shows no 2 twins born as a result of two eggs implanted at 3 the incidence of monozygous twinning is unaffected by the method of conception (spontaneous or IVF). A cell is heterozygous for three gene loci. This is due to, 32. a) Mut H A neuploith is mostly caused by: (a) nondisjunction(b) Crossing on er (c) renersion. The answer is deletion as the information gets lost. b. a) The second copy of the gene could be expressed under different regulation. In a mammal how many inactivated X chromosomes (Barr bodies) would be present in cells of individuals who were XXX? Duplication. Practice: Chromosomal inheritance questions. only when the mutation is present during or occurs during meiosis. A) 50 : 50: B) 3-to-1 : C) dependent upon the sex chromosomes of the parents: D) dependent upon the sex chromosomes of the father: E) dependent upon the sex chromosomes of the mother: 15. a) 1 b) 2 c) 3 d) 4 View Answer. 45. (a) 2 white and 6 purple coloured flowers, (b) 2 Purple and 6 white coloured flowers, (c) 3 white and 5 purple coloured flowers, (d) 3 purple and 5 white coloured flowers, Answer: (d) 3 purple and 5 white coloured flowers, 15. 1. Who coined the term ‘chromatin’ to describe the thread like material of the nucleus? ... function mutation causes the phenotype. D- deletion. Chapter 02. b) Transcription This abnormality occurs when meiosis isn’t carried out properly. A good understanding of how evolution theory is based on understanding how genes keep changing. Both are heterozygous dominant. Common chromosome disorders. Start studying Multiple Choice Questions #7: DNA Mutations and their Detection. The mutations that change a chromosome are: Deletion. Learn vocabulary, terms, and more with flashcards, games, and other study tools. a) ≈ 10-8 – 10-12 What are the genotypes of the parents? True and False Questions. View Answer, 12. Take this short quiz View Answer, 3. SURVEY . Multiple Choice Questions on Chromosomes MCQ on Chromosomes. During the mitotic phase, halving of the actual chromosome number occurs c. C) A gene contains hundreds of chromosomes, which are composed of protein. a) CA Genetic recombination. Tags: Question 2 . View Answer, 6. 1. Addition or deletion of bases causes which kind of mutation? It is not a type of chromosomal mutation. I. The phenomenon in which an allele of one gene suppresses the activity of an allele of another gene is known as. What are chromosomal aberrations? Chapter 05. A gene pair hides the effects of another gene. c) MLS, PMS View Answer, 8. Sanfoundry Global Education & Learning Series – Molecular Biology. "Types of Mutations" quiz questions and answers PDF: When a single nucleotide base pair is substituted, type of mutation occurs is, with answers for MCAT self prep course. Q. a) MSH, MLH 21. 30 seconds . Chromosomes were first seen by Hoffmeister Waldeyer Strasburger Fleming Answer:1 Q3. How many steps are required to attain mismatch repair? Two summer white squashes with genotype WwYy were crossed (Week= white colour, Y=yellow colour, w and y= green colour) W is epistatic to Y and y. 39. Published on 16/03/2015 by admin. b) False Somatic mutations are not passed on to subsequent generations. This is the currently selected item. Questions pertaining to chromosomal inheritance If you're seeing this message, it means we're having trouble loading external resources on our website. The production of two different types of capsules in Shepherd’s purse is the result of, 22. a) Methylase Q. An introduction to genetic mutations. Answer Save. 1. Test your knowledge with various questions to the individual chapters. NEET UG. Choose from 500 different sets of multiple choice questions genetics flashcards on Quizlet. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. When can a mutation be passed on to offspring? 50 Multiple Choice Questions-(Choose the best answer) 1. Translocation. 1. 60 seconds . b) 3 It is not a type of chromosomal mutation. How many different types of gametes can it form? View Answer, 14. c) Uvr B Which of the following statements is not true? Multiple choice questions from class. Other factors being equal, the chance of having a girl or of having a boy is ____. a. As a result of incomplete dominance cross between blue and white and Andalusian fowls produce (a) 25% black, 75% white fowls (b) 50% blue, 50% black fowls (c) 50% blue 50% white fowls (d) 25% blue 75% white fowls Answer: (c) 50% blue 50% white fowls 2. Add Remove. 5. Genotype of the child is. Sex-linked traits. View Answer, 13. A) True: B) False: 14. Inversion. d) PMS, MHL Mutation Multiple Choice Questions and Answers for competitive exams. The answer is deletion as the information gets lost. Choose your answers to the questions and click 'Next' to see the next set of questions.