Polyspermy refers to
Formation of many sperms by a male
Changes in sperm nucleus
Formation of many sperms
Penetration of many sperms into an ovum simultaneously
Fraternal twins in man are produced when
The attachment of the mammalian blastocyst to the uterine wall is
A sperm without acrosome, cannot
Fertilization occurs in human, rabbit and other placental mammals in
Explain : When and how the sex of the baby is determined ?