ALLELES: T- tall or recessive short/ B- black eyes or recessive blue/ W- widow's peak or recessive no peak) Describe the following alleles GENOTYPICALLY: TtbbWW

Tall,Blue eyes,Widowspeak.

Explanation:

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.