Destiny has distal symphalangism - her fingers and toes are stiff, with tiny nails. She looks it up and finds it is an autosomal dominant trait. Since her parents do not have it, she reasons that she has a new mutation. However, if she has children, each of them, assuming her partner does not have the condition, has a(n) ________ probability of inheriting the condition.
A) 1/8
B) 1/4
C) 1/2
D) 0
C) 1/2
Biology & Microbiology
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Explain why a frameshift mutation can have such devastating effects. What will be an ideal response?
Biology & Microbiology
Of the following, which is the last step in the production of a recombinant DNA plasmid?
A) cloning B) using DNA ligase to join DNA fragments C) cutting the gene of interest into fragments D) allowing the reproduction of the bacterium bearing the recombinant plasmid
Biology & Microbiology
Antigen exposure is necessary to stimulate B cells to
a. produce soluble antibodies. b. differentiate to plasma cells. c. induce genetic hypermutation in B cells. d. do all of the above.
Biology & Microbiology
GC content refers to:
a. the G-value paradox. b. the C-value paradox. c. the fraction of G-C nucleotides in the genome. d. A and B. e. All of the above.
Biology & Microbiology