Examine the Punnett square below.
B
B
B
BB
BB
b
Bb
Bb
Which of the following choices gives the alleles of the parents shown here?
BB and BB
BB and Bb
Bb and Bb
Bb and bb
Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.