Carbon-12, Carbon-13 and Carbon-14 are examples of:
A. ions
B. isomers
C. molecules
D. isotopes
D
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An allele frequency has changed within a population. What term describes this occurrence?
a. microevolution b. population evolution c. population drift d. macroevolution e. allele driven evolution
A utilitarian approach to a bioethical issue would ________
A) focus on absolute principles of "right" or "wrong" B) emphasize intentions, not outcomes of the decision C) be designed to produce the greatest positive effect for the greatest number of people D) always ensure that all actions are favorable for all parties E) never allow the end result of a decision to justify the means
Cystic fibrosis is caused by the allele f, which is completely recessive to the normal dominant allele F. Consider a couple who both have the genotype Ff. What is the chance that their second child will develop cystic fibrosis?
A) 25% B) 50% C) 75% D) 100% E) It depends on which alleles were inherited by their first child.
What are the characteristics of angiosperms? Check all that apply.
A. flower production B. they produce embryos C. they do not produce fruit D. seed production