Question

70. RNA synthesis in bacteria requires which of the following? a. DNA polymerase III b. A primer c. A DNA template d. DNA Gyrase e. Deoxyribonucleotide triphosphate

86. Two phenotypically normal people have 4 children. 3 are phenotypically normal like their parents, but one is an albino. What are the probable genotypes of the parents? a. Both parents are homozygous dominant b. Both parents are homozygous recessive c. One parent is homozygous dominant and the other is homozygous recessive d. Both parents are heterozygous e. None of the above

36. Imagine that a mutation in a DNA molecule results in the codon CCU being changed to CCC. Both of these codons code for proline. This is an example of a a. silent mutation b. neutral mutation c. nonsense mutation d. translation mutation e. truncated mutation

37. A point mutation is a change of a single nucleotide in the DNA sequence of a gene. Which of the following is a possible result of a point mutation in a gene? a. An incorrect amino acid could be put in the protein. b. An altered protein could be formed, which would result in a genetic disease. c. The protein formed by the mutant gene could be the same as the normal protein.

Answer 1

86. (c) - one parent is homozygous dominant and the other parent is homozygous recessive.

37. (b) - an altered protein could be formed which would result in a genetic disease.