During meiosis, each pair of alleles on the homologous chromosomes sorts independently from all other pairs of alleles. This statement corresponds to

A. the law of segregation.
B. the law of independent assortment.
C. the rule of multiplication.
D. the law of probability.
E. gene theory.


Answer: B. the law of independent assortment.

Biology & Microbiology

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Many types of cancer are known to overexpress the receptor protein tyrosine kinase. Which molecular technique can be used to reduce expression of an oncogene in vitro?

A) PCR B) DNAse sensitivity assay C) RNAi D) Southern blotting E) western blotting

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Summarize research conducted in order to identify how epigenetic changes might affect the risks of depression and suicide in certain individuals. Comment on the limitations of this study

What will be an ideal response?

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Posttranscriptional insertion or deletion of nucleotides that is absent in the DNA template is called

A) RNA splicing. B) RNA editing. C) RNA processing. D) RNA capping. E) RNA modification.

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