1. (genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell)
   - zygote, fertilized ovum

Derived forms: fertilised ova

Type of: cell

• genus Jynx
• genus Kakatoe
• genus Kalmia
• genus Kalotermes
• genus Katsuwonus
• genus Kennedia
• genus Kennedya
• genus Kenyapithecus
• genus Keteleeria
• genus Khaya
• genus Kiggelaria
• genus Kinosternon
• genus Kirkia
• genus Klebsiella
• genus Knightia
• genus Kniphofia
• genus Kobus
• genus Kochia
• genus Koellia
• genus Kogia
• genus Kohleria
• genus Kolkwitzia
• genus Kosteletzya
• genus Krigia
• genus Krypterophaneron