The f2 generation phenotypes resulting from the monohybrid cross of purebreds display a ratio of
4: 1
2: 1
3: 1
none of the above

The real correct answer would be 3:1

Since the other answer is completely incorrect, and this one is correct, I would really appreciate it if this one got brainliest! :)

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

im not intirely sure but i think the anwser is d relative humidity