Preimplantation Period Flashcards
1
Q
When there is a union of sperm and ovum, what is this called?
A
Fertilization
2
Q
During fertilization process the sperm and ovum are reduced by one half the normal number of chromosomes. Which is how many?
A
to haploid number or 23 each.
half from mom and half from dad
3
Q
This union of the ovum and sperm subsequently forms a fertilized egg, or__?
A
Zygote
4
Q
Zygote is a newly formed cell with what number of chromosomes?
A
Diploid number
5
Q
Zygote will start to undergo mitosis and create what?
A
Morula
6
Q
Morula is what?
A
a solid mass of cells
7
Q
Morula will continue to divide undergoing mitosis and create what?
A
Blastocyst
8
Q
Blastocyst is what?
A
a fluid filled collection of cells.
these cells are highly invasive cells.
