5. Alzheimer's patients who inherit the mutant allele can exhibit a range of phenotypes, ranging from mild cognitive impairment to severe dementia. This is an example of: (A) sex-influenced expression (B) incomplete penetrance (C) variable expressivity(D) epistasis

3. In a gene cloning procedure the GFP gene is inserted into a plasmid and the plasmid is then taken up through transformation into an E.coli cell where it replicates. In which portion of this gene cloning procedure is the recombinant DNA molecule constructed? (1) The GFP is inserted into the plasmid (2) The plasmid is taken up via transformation (3) The plasmid replicates in the E. coli cell (A) 1 (B) 2 (C) 3 (D)1 and 2

5. Alzheimer's patients who inherit the mutant allele can exhibit a range of phenotypes, ranging from mild cognitive impairment to severe dementia. This is an example of:
(A) sex-influenced expression
(B) incomplete penetrance
(C) variable expressivity
(D) epistasis

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