Please i need help
What is the answer?

50% I think

Explanation:

I put in on a square chart with rr at the top and Rr on the side. You'd get two offspring with Rr and two with rr. (Lowercase stand for ressesive traits and capital leters stand for dominant traits)

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.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.