Which of the following statement is not correct
Fertilizin of one species of animal will react with antifertilizin of another species
Fertilizin of one species of animal will react with the antifertilizin of the same species
Fertilizin is a glycoprotein and antifertilizins are acid proteins
Molecular weight of fertilizin is about $3,00,000$ and antifertilizin $10,000$
Which one of the following parts serves the function of primary organizer in frog
In the fertile human female, approximately on which day of the menstrual cycle $(32\; days)$ does ovulation take place?
Neural canal develops from
The main function of tropho ectoderm in mammalian embryo is
Ejaculation of semen