If a widow's peak hairline is dominant and a straight hairline is recessive, then a person with a
A. straight hairline must be a heterozygote.
B. widow's peak hairline must be a homozygote.
C. widow's peak hairline must be a heterozygote.
D. straight hairline must be a homozygote.
Answer: D
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Horizon B has fewer organisms and less organic matter than horizon A. This horizon is also called the ____
A)zone of accumulation B)layer of consolidation C)region of conglomeration D)section of incorporation E)segment of amalgamation
Which of the following is true of fevers?
A) An increase in body temperature never has beneficial effects. B) A 1°C increase in temperature can be protective. C) A 3°C increase in temperature is invariably fatal. D) None of the above is true.
Altocumulus clouds that show vertical development and produce tower-like extensions are called
a. cumulus. b. cumulonimbus. c. cumulus humilis. d. altocumulus castellanus. e. cirrocumulus castellanus.
Surface winds tend to blow from high pressure to lower pressure
a. True b. False Indicate whether the statement is true or false