The exchange of chromosome segments during meiosis results in ________
A) severe mutations
B) an extremely low likelihood that nontwinsiblings will be genetically identical
C) higher rates of fraternal twins
D) higher numbers of female zygotes than male zygotes
Answer: B
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With regard to the biological influences of anorexia nervosa and bulimia nervosa, the most accurate statement is that a. anorexia nervosa and bulimia nervosa are culturally determined and not biologically influenced
b. the biological influences of anorexia nervosa and bulimia nervosa have not been studied. c. although studies are still limited, there appears to be some biological influence in the development of anorexia nervosa and bulimia nervosa. d. although studies are limited, there does appear to be a large biological influence for anorexia nervosa and bulimia nervosa.
Celia is taking an interest inventory. One of the questions asks her to choose which she would prefer doing: traveling, reading books, or cooking. The question does not give her a "none of the above" option. What is this format called?
a. forced choice c. validity of scale b. behavior rating scale d. reliability of scale