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

Environmental & Atmospheric Sciences

You might also like to view...

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

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

Surface winds tend to blow from high pressure to lower pressure

a. True b. False Indicate whether the statement is true or false

Environmental & Atmospheric Sciences