Answer both. i don't think i'm right on #30. 10 points. correctly . asap

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

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.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities