The second maturation division of the mammalian ovum occurs
Shortly after ovulation before the ovum makes entry into the fallopian tube
Until after the ovum has been penetrated by a sperm
Until the nucleus of the sperm has fused with that of the ovum
In the Graafian follicle following the first maturation division
The human embryo is about one inch in length after
Who demonstrated the acrosome reaction in Saccoglossus
Which one of the following is least present in the endometrium during the proliferative phase of the menstrual cycle
Vas deferens receives a duct from seminal vesicle and opens into urethra as _________.
Assertion : Senescence is the time when age associated defects are manifested.
Reason : Certain genes may be undergoing sequential switching on and off during one's life.