Topic 1 - Fertilisation Flashcards
1
Q
What’s the first stage of fertilisation?
A
many sperm and one ovum
2
Q
What’s the second stage of fertilisation
A
The acrosome has burst releasing enzymes that digest the enzyme layer
3
Q
What’s the third stage of fertilisation
A
The jelly layer hardens and stops other sperm from penetrating the ovum
4
Q
What’s the last stage
A
The fertilised egg cell is produced, it now contains a diploid nucleus (46 chromosomes)
