Maintain the acidity of the vagina by producing lactic acid from the mucosal membrane glycogen.

lactobacilli bacteria

lactobacilli bacteria are non-motile, harmless organisms that plays many beneficial roles in the body. they are found in the human vagina, gastrointestinal tracts and the mouth. in the human vagina, lactobacilli bacteria produce lactic acid as a by-product of glucose metabolism. the lactic acid lowers the vaginal ph and produce a more hostile environment for other bacteria.

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

i got you i did it ya know what it is just needing to fill this in for a quick task!