A change of information from normal hemoglobin to sickle hemoglobin is a
A. gross mutation.
B. structural mutation.
C. point mutation.
D. natural result of your skin color.
C. point mutation.
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Consider the following two statements: 1) Animal behavior can be required for the reproductive success of plants. 2) Animal behavior can be detrimental to the reproductive success of plants. Determine which one of the options below is correct
A. Statements 1 and 2 are both true. B. Statements 1 and 2 are both false. C. Statement 1 is true; statement 2 is false. D. Statement 1 is false; statement 2 is true.
Suppose a human population exhibits a Type III survival curve. What would you expect to happen to the curve over time if further dramatic improvements in medical technology take place?
What will be an ideal response?
Which of the following is not true of sister chromatids?
1.they separate at anaphase 2.they are attached to one another at the centrosome 3.at the end of interphase, there are two sister chromatids for every chromosome 4.they have the same DNA sequence as each other
What statement describes the present situation in Canada for boys regarding the HPV vaccine?
A. Health Canada had NOT yet approved the HPV vaccines for boys between the ages of 9 and 26. B. Health Canada approved the HPV vaccines for boys between the ages of 9 and 26 but NO provinces are offering the vaccine free to boys. C. Health Canada approved the HPV vaccines for boys between the ages of 9 and 26 but ONLY six provinces are offering the vaccine free to boys. D. Health Canada approved the HPV vaccines for boys between the ages of 9 and 26 and EVERY Canadian Provinces and Territory is offering the vaccine free to boys.