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do u go to Connections academy?
Multiple Choice 1. How many different phenotypes are possible in the offspring of two parents with genotypes AA and aa, where A is the dominant allele for a trait and a is the recessive allele for the same trait? (1 point) (1 pt) one (0 pts) two (0 pts) three (0 pts) four 0 /1 point 2. A woman buys red-flowering and blue-flowering plants of the same species and plants them in her garden. The plant undergoes both self-fertilization and cross-fertilization. The woman collects seeds and plants them the following spring. What can the woman expect to observe in the flowers of the new generation of plants if the gene for flower color is codominant? (1 point) (0 pts) plants with red flowers and plants with blue flowers (0 pts) plants with both red and blue flowers (1 pt) plants with red flowers, plants with blue flowers, and plants with purple flowers (0 pts) plants with purple flowers 0 /1 point 3. What is formed at the end of meiosis? (1 point) (0 pts) two genetically identical cells (1 pt) four genetically different cells (0 pts) four genetically identical cells (0 pts) two genetically different cells 0 /1 point 4. Which of the following is true concerning DNA replication? (1 point) (0 pts) The original DNA molecule remains intact, although it acts as a template for the formation of a copy that contains two new antiparallel strands. (0 pts) The leading strand is copied in the 5’ to 3’ direction and the lagging strand is copied in the 3’ to 5’ direction. (0 pts) Both strands are copied to form Okazaki fragments, which are later annealed by DNA ligase. (1 pt) The replication process proceeds on both strands in the same direction, which requires that RNA primers bind to the lagging strand. 0 /1 point 5. Which of the following will be directly affected in a bacterial cell that has a mutation in its gene for RNA polymerase? (1 point) (0 pts) nucleotide deletion (1 pt) transcription (0 pts) translation (0 pts) gene regulation 0 /1 point 6. Which of the following DNA sequences will result in the amino acid sequence –pro-phe-tyr-? Figure 13-3 (1 point) (1 pt) GGGAAAATG (0 pts) CCCUUUUAC (0 pts) GGGUUUUAG (0 pts) CCCTTTTTC 0 /1 point 7. Which of the following frameshift mutations might be expected to have the least impact on an organism? (1 point) (0 pts) a deletion of two nucleotides near the beginning of a gene (1 pt) an insertion of three nucleotides in the middle of a gene (0 pts) a deletion of four nucleotides near the end of a gene (0 pts) an insertion of five nucleotides at a gene’s promoter site 0 /1 point 8. If a mutation occurs in the gene for the lac repressor and results in a repressor that does not bind lactose, which of the following will be observed? (1 point) (1 pt) The mutant will not be able to grow on lactose. (0 pts) The mutant will only be able to grow on lactose. (0 pts) The mutant will be able to grow on lactose and on other sugars. (0 pts) The mutant will be harmed by the presence of lactose. 0 /1 point 9. If a man with blood type A and a woman with blood type B produce an offspring, what might be the offspring’s blood type? Blood Types Blood Type Combination of Alleles A IAIAor IAi B IBIBor IBi AB IAIB O ii (1 point) (0 pts) AB or O (0 pts) A, B, or O (1 pt) A, B, AB, or O (0 pts) AB only 0 /1 point 10. Which of the following would require the use of recombinant DNA? (1 point) (0 pts) crossing two apple trees to create better apples (0 pts) breeding a donkey and a horse to make a mule (1 pt) engineering bacteria that produce human insulin (0 pts) creating a polyploid banana tree 1 /1 point The final score is 1/10 (10%).
my friend just sent me that
are u in connections?
wow thanks and yes i do go their why do u?
yeah, im in connections
if u need help on bio im all caught up so just message me and ill give u answers..:P
wooo, got a medal!
i just pmd u
lol ok thanks
what does pmd?
oh ok well where is it at? lol
i was talking to lolly, lol
click on someones name, then click send message
did i help out?
NUMBER 2 IS WRONG !!! IT'S PLANTS WITH BOTH RED AND BLUE FLOWERS !!!
2 is d