In prophase I of meiosis in female Drosophila, studies have shown that there is phosphorylation of an amino acid in the tails of histones of gametes. A mutation in flies that interferes with this process results in sterility. Which of the following is the most likely hypothesis?
A) These oocytes have no histones.
B) Any mutation during oogenesis results in sterility.
C) All proteins in the cell must be phosphorylated.
D) Histone tail phosphorylation prohibits chromosome condensation.
E) Histone tails must be removed from the rest of the histones.
Female Hector's dolphin jumping off Banks Peninsula, New Zealand
Male and female plants
Female Wood Duck at Crystal Springs Rhododendron Garden, Oregon, U.S.
Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here.
Female Reproductive System "الجهاز التناسلي للأنثى"