KA3: Reproduction Flashcards
Are cells haploid or diploid?
Diploid
What does diploid mean?
They have two matching sets of chromosomes
Function of the urethra?
Carries sperms and urine to the penis
Function of the testes?
Produces sperm and testosterone
Function of the prostate?
Produces semen
Function of the penis?
Allows sperm and urine to leave the body
Function of the sperm duct?
Carries sperm from testes to urethra
Why do sperm cells swim?
So fertilisation can take place
What is the function of the uterus?
Fertilised ovum develops into a baby
Function of the oviduct?
Site of fertilisation
Function of the ovary?
Contains egg cells
Function of the vagina?
Allows sperm to enter during sex
Function of the cervix?
Lower part of the uterus
What do egg cells contain?
Food supply and Nucleus
What does an egg cells food supply do?
Feed an embryo
When does fertilisation take place?
When the nucleus of a sperm cell fuses with the nucleus of an egg cell to form a zygote
Function of the anther?
Produced pollen (male)
Function of the filament?
Supports the anther
Function of the style?
Creates a pollen tube which pollen travels down to the ovary
Function of the stigma?
Pollen lands hre
What is pollination?
The transfer of pollen from anther to stigma
What happens when the pollen lands on the stigma?
The pollen tube begins to grow and leads to the ovary
