A mutation in a gene that changes a codon to one that codes for the same amino acid as the original codon; The amino acid sequence of the resulting polypeptide is thus unchanged
What will be an ideal response?
Silent Mutation
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Engineering a metabolic pathway enables a researcher to use different genes from unrelated organisms
Indicate whether the statement is true or false.
The process of meiosis results in ____
a. the production of four identical cells b. no change in the chromosome number from parental cells c. a doubling of the chromosome number d. a reduction in the chromosome number e. two diploid cells
In the experiment with peacock butterflies the working hypothesis is that ____
a. mimicry confuses both predator and prey b. mimicry protects butterflies from being eaten by predatory birds c. birds are capable of learning d. birds are agents of evolution e. unpalatable species display distinctive wings
The endogeneity problem that results from when a variable correlated with the treatment is not included as a control variable is known as the:
A. instrumental variable. B. weak instruments problem. C. omitted variable bias. D. least efficient estimator.