pūtau hua
1. (noun) zygote.
I roto i ngā tipu whaipua ka hangaia he pūtau hou, ka kīia ko te pūtau hua, koia e kawe ana i ngā ira o ngā pūtau o ōna mātua e rua (RP 2009:450). / In flowering plants when a new cell is produced it is called a zygote, and this carries the genes of the cells of the two parents.
pūtau hema
1. (noun) gamete.
Ko te whakaputa uri tōrua he tukanga o ngā rauropi, e hono tahi ai ngā pūtau hema o ngā mātua e rua (te toa me te uwha) hei whakaputa uri (RP 2009:445). / Sexual reproduction is a process in organisms where the gametes of two parents (male and female) are combined to produce off spring (RP 2009:445).
2. (adjective) single-celled.
3. (adjective) unicellular.
pūtau hema-uwha
1. (noun) female gamete.
Ko te whakatōnga te hononga tahitanga o te pūtau hema-toa (te tātea) me te pūtau hema-uwha (te kākano) e puta ai he uri (RP 2009:450). / Fertilisation is the fusion of the male and the female gametes (sperm and egg) in order to produce offspring (RP 2009:45).