A sporic life cycle is NOT characteristic of which of the following groups?
A. ginkgos
B. angiosperms
C. mosses
D. conifers
E. charophyceans
E. charophyceans
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After several generations of artificial selective breeding, a plateau is reached where artificial selection is no longer effective. This is called the _______
A. realized limit B. realized heritability C. selection coefficient D. selection limit
The allergic response is primarily mediated by _____ antibodies.
A. IgG B. IgM C. IgA D. IgE E. IgD
Whenever ATP is produced by a chemical reaction some energy is lost into the surroundings as heat.
a. true b. false
A fruit fly population has a gene with two alleles, A1 and A2. Tests show that 70% of the gametes produced in the population contain the A1 allele. If the population is in Hardy-Weinberg equilibrium, what proportion of the flies carry both A1 and A2?
A) 0.7 B) 0.49 C) 0.21 D) 0.42 E) 0.09