Select the correct meaning for the following pedigree symbol.
A) Unaffected male
B) Unaffected female
C) Mating
D) Affected male
E) Affected female
D) Affected male
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Two genes within an organism that arose from the duplication of a single gene in an ancestor are ________________.
Fill in the blank(s) with the appropriate word(s).
A mechanism in many salt plants to control osmotic pressure is:
a. to remain as osmoconformers. b. to have succulent parts. c. to dry out. d. to go dormant during periods of high salinity. e. to drop leaves.
Which of the followings are required for conjugation
A. a plasmid B. a piece of Donor DNA C. a virus D. Pili E. Cell-to-cell direct contact A. A and B B. B and C C. A, C and E D. A, D and E E. B, D and E
A (colony/plaque/prophage) is a clear zone on a bacterial lawn where cells have been killed by the activity of a bacteriophage
What will be an ideal response?