The one trait that is expressed when two competing traits are present is called the __________ trait
a) dizygotic
b) monozygotic
c) dominant
d) recessive
Answer: c
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The perception of timbre corresponds to a sound wave's
a. pitch. b. panache. c. amplitude. d. purity.
During a visit to a kindergarten, you ask the children about being boys and girls. One of the students says, "Boys and dads are noisy, like to play football, and can do what they want." This student has learned about:
A. gender roles B. gender labels C. gender identities D. gender markers
Which gene appears to play an important role in late-onset Alzheimer's disease?
a. APP b. APOE c. PS1 d. PS2
The hypothalamic-pituitary-adrenal axis is to __________ as the sympathetic nervous system is to __________
A) cortisol; epinephrine B) androgens; estrogen C) estrogen; testosterone D) epinephrine; cortisol