Question
Please answer all the questions
Biology 102 Summer 2017, EXAM Name D. Liberal 7. You cross two snapdragons, one with red flowers and the other with white flowers. You are told by a botanist that the red flower trait is dominant to white flower trait; however their offspring end up pink! What is this an example of? A. Codominance B. Mendelian ratio C. Incomplete dominance D. Linked genes 12. Gene is to while allele is to A. Variant, code B. Complete, incomplete C, Inheritance, mutation D. Code, variant 8. Non-disjunction occurs when A. Homologous chromosomes fail to separate B. Part of one chromosome gets attached to another non-homologous chromosome C. A cell turns into another kind of cell D. Non-homologous chromosomes fail to separate 13. The Start Codon is "AUG and a Stop Codon is UAA." Which reading frame for the following sequence will start with the start codon and end with the stop codon? 5'-CAAUGCUGGAAAAUGCCUAA-3 A. +1 Frame B. +2 Frame C. +3 Frame D. 1 Frame A. +1 Frar rate 14. Mendel's Principle of Segregation states A. Alleles do not separate du lleles do not separate during gamete 9. When looking at a pedigree, if a trait is r or tends to skip a generation, it is likely A. Autosomal recessive B. Autosomal dominant C. Sex-linked recessive D. Sex-linked dominant formationn B. Alleles for different genes segregate without influencing each other C. All genes are linked D. Alleles of a gene separate during gamete formationn are 10. There are 100 pea plants and there are 35 with yellow peas and 65 with green peas Green pea color is dominant to yellow pea 15. If you cross two pea plants that are heterozygous for pea color. Green color is dominant to yellow color. What ratio do you color. What is the frequency of the green color expect for their offspring? allele? A. 0.59 B. 041 A. 2 yellow, 2 green B. 3 green, yellow C. 1 green, 3 yellow D. 4 green, 0 yellow C 0.65 D. 0.80 16. Which of the following is NOT a requirement of Hardy-Weinberg Equilibrium? A. No mutation II. You counsel a couple where both are carriers for sickle-cell anemia. They would like to have two children. What is the probability that both children will be carriers as well? B. No gene drift C. Natural selection D. Closed population B. 0.25 C. 0.125
Explanation / Answer
9. A) Autosomal recessive
12. C) Inheritance, mutation (explanation - gene is inherited while alleles are mutated.)
14. D) Alleles of a gene separate during gamete formation.
16. C) Natural Selection (explanation - According to the Hardy - Weinberg Equilibrium, no natural selection should occur.)