Small changes in genes
a. disppear quickly
b. gradually accumulate over time
c. do not affect future generations
d. prevent the next generation from developing
Ans: b. gradually accumulate over time
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Which of the following statistical tests is used to determine if two genes are linked or assorting independently?
A. Sum rule B. Binomial expansion C. Product rule D. Chi-square test
About what portion of all couples are affected by infertility?
A. Fewer than 1 percent B. About 3 percent C. About 8 percent D. About 13 percent E. Over 20 percent
The basic subunits of DNA are the ________
Fill in the blank(s) with correct word
Following several days of nausea and fatigue, Jackie has become jaundiced and her urine is very dark-colored. Tests ordered by her physician have confirmed that she has hepatitis A. Which of the following is most likely to shorten the duration and lessen the severity of her symptoms?
A. Interferon therapy B. Treatment with acyclovir C. Administration of the HAVRIX vaccine D. Administration of pooled human immune serum globulin