What is often -- but not always -- a feature that accompanies the evolution of internal fertilization?
A. fusion of egg and sperm within the female
B. synchronized gamete release in a population
C. meiotically-produced oocytes
D. a male intromittent organ
Answer: D
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The complete loss of either a guanine or adenine from DNA is an example of _____
A. Depurination B. Tautomeric shifts C. Deamination D. Demethylation
A(n) ____ species resides where it evolved, and is found nowhere else on Earth
a. invasive b. endemic c. endangered d. exotic e. persistent
________ is an unusual base found in the DNA of T4 phages.
What will be an ideal response?
What concept proposes that genes associated with altruism are selected for if they lead to behavior that promotes the reproductive success of an altruist's close relatives?
a. natural selection b. inclusive fitness c. altruistic behavior d. social evolution e. instinctive sacrifice