Insertions and deletions that occur in multiples of three nucleotides:
A. cause nonsense mutations.
B. cause frameshift mutations.
C. add or delete amino acids to/from the
normal polypeptide.
D. shorten chromosomes.
E. cause cancer.
C
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Which of the following statements is true?
a. If the numbers of a population decrease, an endangered species may be reclassified as a threatened species. b. If the numbers of a population decrease, a threatened species may be reclassified as an endangered species. c. If the numbers of a population increase, a threatened species may be reclassified as an endangered species. d. The terms threatened species and endangered species mean the same thing.
Even if chromosomes are not a perfect match, pairing centers sometimes allow synapsis
Indicate whether the statement is true or false.
Compact bone tissue is located in the area
indicated by a. A. b. B. c. C. d. D. e. E.
How do amoebas differ from foraminiferans?
What will be an ideal response?