Pregnancy begins with implantation of
Embryo
Fertilised ovum
Blastopore
Blastocyst
Write a note on pregnancy and embryonic development in human beings.
In our society women are blamed for producing female children. Choose the correct answer for the sexdetermination in humans.
Formation of segmentation cavity shows
In our society the women are often blamed for giving birth to daughters Can you explain why this is not correct?
Unfertilized egg of human contains or When released from ovary, human egg contains