A selecting agent
A. causes mutations.
B. selects the conditions an organism lives under.
C. lowers the percentage of unfavorable genes in a population.
D. None of the answers is correct.
C. lowers the percentage of unfavorable genes in a population.
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A female exhibits two major approaches in choosing a mate, selecting either the phenotypic characteristics of the mate or the
A) number of other females the male has in his harem. B) ability of the male to provide resources. C) number of offspring the male has previously produced. D) age of the male.
If chromosomal DNA from a host and phage DNA are carried by a transducing particle, what can be concluded regarding transduction in this case?
A. Transduction in this case is generalized rather than specialized. B. Transduction in this case is specialized rather than generalized. C. Transduction in this case is neither generalized nor specialized. D. Transduction in this case could be generalized or specialized depending on the phage involved.
Suppose that an organism has the same life strategy as a maple tree. When will the synaptonemal complex be observed?
a. only in a unicellular haploid phase b. in each generation c. only in a multicellular haploid phase d. only in alternating generations
What describes the structure or function of the pancreas?
What will be an ideal response?