reproduction Flashcards
what are the male and female sex cells in animals?
the sperm (male) and the egg (female)
where are sperm produced?
in the testes
where are ova produced?
in the ovaries
what are gametes?
sex cells
are gametes haploid or diploid?
haploid - they have one set of chromosomes
are body cells haploid or diploid?
diploid - they have two sets of chromosomes
what is fertilisation?
the process where the nuclei of the sperm and the egg merge to form a single cell called a ZYGOTE
describe zygotes
- diploid
- divides to become the embryo
where are the sex cells of plants contained?
stamen (male) and ovule (female)
what makes up the stamen?
the anther and the filament
what does the ovary produce in plants?
the ovule (female gamete)
what is produced in the stamen?
pollen grains containing the male gamete