Using the genetic code, predict what type of mutation has occurred in the hemoglobin sickle cell anemia allele.
Normal allele GGAAUGAAACAGGAACCC
Mutant allele GGAAUGAAACAGGUACCC
a point mutation, Val to Glu
a frame shift
addition of a new stop codon
a point mutation, Glu to Val
a point mutation, Val to Glu
You might also like to view...
Viral envelopes are composed of
A. lipids. B. carbohydrates. C. proteins. D. All of the choices are correct.
Oxygen (O2) makes up about 21% of the Earth's atmosphere. The graph below depicts changes in atmospheric O2 levels measured between the years 1990 and 2008. During what season would you expect oxygen levels to be lowest in a single year?
A. summer B. fall C. winter D. spring
A stool specimen is examined, and the following characteristics are observed: • 15 to 18 lateral branches on each side • Scolex with four suckers • No hooklets The intermediate hosts of this tapeworm are:
a. cattle. b. humans. c. cats. d. swine.
A microRNA is ________ bases long.
A) 2 or 4 B) 12 or 13 C) 21 or 22 D) 100 or 110