If, in a heterozygous individual, only one allele is expressed in the phenotype, that allele is
A) normal. B) haploid. C) recessive. D) potent. E) dominant.
E
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Why is it important for sewage treatment plants to remove nitrates and phosphates from sewage before discharging it into a river? Explain.
What will be an ideal response?
An individual basidium ultimately produces:
A. eight diploid spores B. four genetically identical haploid spores C. four haploid spores, each genetically different D. eight identical haploid spores E. eight haploid spores, of which there are two each of four different genetic types
What are the correct order of the basic steps of the scientific method?
a. observe --> hypothesize--> predict --> experiment --> interpret b. predict --> hypothesize --> experiment --> observe --> interpret
c. hypothesize --> observe --> predict --> experiment --> interpret d. observe --> predict --> hypothesize --> experiment --> interpret e. hypothesize --> predict --> experiment --> observe --> interpret
A principle advantage of sexual reproduction is that it ________
A) reduces linkage disequilibrium B) helps to recreate genotypes that are either rare or missing in a population, but are favored by selection C) regenerates genotypes in the evolutionary "arms race" between parasites and hosts D) All of the above.