Preimplantation Phase

Question 1

what are the stages in preimplantation phase?

Answer 1

1. fertilization
2. zygote
3. morula
4. blastocyst

Question 2

define fertilization

Answer 2

union of sperm and ovum

Question 3

define zygote

Answer 3

newly formed cell w/diploid number of chromosomes

Question 4

define morula

Answer 4

solid mass of cells

Question 5

define blastocyst

Answer 5

fluid filled collection of cells

Question 6

What is important to know about blastocyst?

Answer 6

Blastocyst has HIGHLY invasive cells, which burrows in to the uterum lining

Question 7

the egg gets______, then it is called a _______, after zygote it is called ____?

Answer 7

fertilization; zygote; morula