Multiple Choice
The example of extended lactose tolerance in humans tell us that
A) it is entirely under genetic control, and researchers agree that the environment plays no role in its development.
B) it is one of many aspects of human biology governed by both genes and by phenotypical adaptation to environmental conditions.
C) the production of the enzyme lactase and the ability to tolerate milk remain the same among all human populations.
D) studies indicate that people cannot increase their lactose tolerance, thereby discounting the theory of phenotypical adaptation.
E) a simple genetic trait accounts for the ability to digest milk.
Correct Answer:
Verified
Correct Answer:
Verified
Q15: Higher amounts of melanin in the skin
Q20: _ plays a role in determining skin
Q21: Discuss the differences between creationism, catastrophism, uniformitarianism,
Q22: Natural selection<br>A)is unique to flowering plants.<br>B)operates when
Q23: Folate aids in the production of sperm.
Q26: Differential resistance to infectious diseases such as
Q27: Syphilis apparently originated in the Americas as
Q29: Uniformitarianism states that the natural forces at
Q30: _ is not part of Darwin's theory
Q60: Mendelian genetics studies the ways in which