Số trứng và thể cực tạo thành khi một tế bào mầm giảm phân

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?

All other things being equal the size of a population will decrease if

Aclient with dysmenorrhea has been prescribed naproxen 1250 mg po b.i.d. what is the nurse's best action?