In the given diagram,identify $A, B$ and $C$.

  • A
    $A-$Umbilical cord,$B-$Chorionic villi,$C-$Plug of mucus in cervix
  • B
    $A-$Umbilical cord,$B-$Placenta,$C-$Plug of mucus in cervix
  • C
    $A-$Placenta,$B-$Umbilical cord,$C-$Plug of mucus in cervix
  • D
    $A-$Chorionic villi,$B-$Umbilical cord,$C-$Plug of mucus in cervix

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$Blastocyst$ is formed from the cleavage of zygote which gets implanted on the uterus.

$A$: Fertilizins are glycoproteins present on the surface of the egg membrane.
$R$: They help in the agglutination reaction by interacting with anti-fertilizins on the sperm surface to facilitate fertilization.

Identify the correct option regarding the provided diagram of an ovum during fertilization.

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$A$ change in the amount of yolk and its distribution in the egg will affect

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