delayed fertilization การใช้

• During periods of drought, reproduction is completely halted perhaps via delayed fertilization.
• They have a uniquely complex mode of reproduction involving indirect insemination, delayed fertilization, and sperm competition.
• Females of some species have delayed fertilization, in which sperm is stored in the reproductive tract for several months after mating.
• Mating happens in autumn, and delayed fertilization means that young ( one per female ) are born early in the following summer.
• The delayed fertilization meant that the father's genes did not reach all the cells in the boy's body, including those that make white blood cells.
• The mating system of dragonflies is complex and they are among the few insect groups that have a system of indirect sperm transfer along with sperm storage, delayed fertilization, and sperm competition.
• They may be capable of delayed fertilization ( parthenogenesis is rare but not unknown in snakes ) as a female in the London zoo kept in isolation from August, 1885 gave birth in August, 1888.
• The Australian researchers cited such possible reasons for the defects as the women's underlying cause of fertility; the medications used to induce ovulation or maintain pregnancy; the freezing and thawing of embryos; and the delayed fertilization of the egg.