Charles, who is a male, is color-blind. As you will learn later in the book, this trait is due to a defective gene found on the X chromosome. Based on this, which parent gave him the defective gene?
A. mom
B. dad
C. one his grandfathers on either side
D. his maternal grandfather
Answer: A
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The sample taken during an amniocentesis comes from a. the lining of the uterus
b. inside the body of the fetus. c. the fluid surrounding the fetus. d. the umbilical cord.
Any stimulus associated with a particular memory and which usually enhances your ability to access a memory is called a(n)
a. memory trace. b. eidetic image. c. retrieval cue. d. morpheme.
Which term refers to sleep-deprived individuals being able to fall asleep quickly when given the chance to sleep?
a. Sleep rebound b. Sleep debt c. Sleep apnea d. Short-wave sleep
Twin studies indicate that __________.
A. there is a genetic basis for homosexuality in males as well as in females B. early family environment is more important than genes for the development of homosexuality C. a male child whose older twin sisters are heterosexual is more likely to be homosexual D. homosexual women are likely to have homosexual male relatives