How is a balanced polymorphism maintained in a population?
What will be an ideal response?
In a population, both homozygotes are at a disadvantage, keeping the heterozygote unnaturally high and thus maintaining high frequencies of both alleles in the population.
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All of the following are advantages to expressing genes in yeast except:
A. Many strains lack cell walls. B. They require inexpensive media for growth. C. They are easy to grow and manipulate. D. Folding and expression of eukaryotic genes is frequently more efficient in yeast than in bacteria. E. The expression of cloned genes can be regulated by media components.
The meshwork that forms the fabric of a blood clot mostly consists of
A. fibrinogen. B. fibrin. C. thrombin. D. prothrombin. E. collagen.
A(n) ____ is a protein monomer
a. nucleotide b. monosaccharide c. simple sugar d. amino acid e. ribose
The ________ coordinates muscle movements of the body
A) hypothalamus B) cerebellum C) cerebrum D) medulla E) parietal lobe