What is the process of fusion of the nuclei of a sperm and an ovum called?

  • A
    Karyogamy
  • B
    Parthenogenesis
  • C
    Vitellogenesis
  • D
    Oogenesis

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Implantation is:

Meridional cleavage results in blastomeres numbering

Following are some events occurring during the fertilization process. Arrange the $CORRECT$ sequence of events and choose the option given below.
$i$. Fertilizin-antifertilizin reaction.
$ii$. Cortical reaction.
$iii$. Acrosome reaction.
$iv$. Karyogamy.
$v$. Capacitation of sperms.

Select the correct statement.

Identify the human developmental stage shown below as well as the related right place of its occurrence in a normal pregnant woman,and select the right option for the two,together.

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