Fertilisation and Development of Zygote to Blastocyst (Grade 12 NSC Matric Life Sciences): Flashcards
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Fertilisation definition
Fertilisation definition
Sperm cell fuses with ovum to create new life
Location of fertilisation
Location of fertilisation
Fallopian tubes
Ovum chromosome number
Ovum chromosome number
Haploid (half the normal number)
Zygote definition
Zygote definition
Diploid cell formed when sperm nucleus fuses with ovum nucleus
Morula structure
Morula structure
Solid ball of cells
Blastocyst structure
Blastocyst structure
Hollow, fluid-filled ball of cells
Time from zygote to blastocyst
Time from zygote to blastocyst
Approximately 5 days
Type of division in early embryo development
Type of division in early embryo development
Mitotic division
Number of sperm that fertilise one ovum
Number of sperm that fertilise one ovum
Only one sperm cell
Morula vs blastocyst key difference
Morula vs blastocyst key difference
Morula is solid; blastocyst is hollow with fluid cavity