What are other examples of positive feedback loops ,a part from fruit ripening, childbirth and blood clotting ?

Lactation – the child feeding stimulates milk production which causes further feeding (continues until baby stops feeding)

Ovulation – the dominant follicle releases oestrogen which stimulates LH and FSH release to promote further follicular growth

the genotypes would be 50% bb and 50% bb

the phenotypes would be 50% brown and 50% white. hope this : )

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.