Sickle Cell Anemia is caused by a point mutation known as a substitution. Show

what would occur if the first T ("thymine") DNA base in the portion shown above

experienced a mutation with a substitution of A ("adenine").

Sickle Cell Hemoglobin:

Portion of mutated hemoglobin DNA:

mRNA:

Amino Acids

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere