The attachment of the mammalian blastocyst to the uterine wall is
Incest
Implantation
Intromission
Incorporation
Which distinguishes a morula from a blastula
The zygote passes through several developmental stages till implantation, Describe each stage briefly with suitable diagrams.
Fertilisation of an egg cell it means......
$(1)$ End of process of oogenesis
$(2)$ Induces the completion of the second meiotic division
$(3)$ The corpus luteum degenerates
$(4)$ Signals for maintain progesterone level in blood
$(5)$ Formation of zygote
What is true about cleavage in the fertilised egg in humans
When sex is determined at the time of fertilization, it is known as