Which is NOT a way that a single-gene disorder can be produced?
A. An individual inherits a pair of recessive genes that carry the instructions for the disorder.
B. A mutation occurs so that some of the bases that give instructions to create proteins are out of order or missing.
C. One of the 23 pairs of chromosomes contains a number of chromosomes other than two.
D. All of these
Answer: C
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Traditional families, with a working father and a mother at home with the children, comprise only 15% of American families, according to the last census
a. True b. False Indicate whether the statement is true or false
When scoring essay items, the use of a rubric is likely to increase
a. only reliability. b. only validity. c. neither reliability nor validity. d. both reliability and validity.
In what areas have Hispanic Americans contributed to U.S. culture?
a. Arts, sports and politics b. Entertainment and literature c. Arts, entertainment, and literature d. Sports, entertainment, religion
Rehearsal works best for students when they need to remember a list of items over a brief period of time.
Answer the following statement true (T) or false (F)