Cell Differentiation Flashcards
1
Q
Give examples of multicellular communities
A
Epithelium, bone, reproductive, skin, muscle, nerve cells, blood
2
Q
Where do cells originate from and when are they made?
A
Originate from one cell, made at fertilisation
3
Q
Describe embryonic development
A
Zygote divides into 2, 4 then 8, then differentiate into different functions
4
Q
Describe the stages of embryonic development
A
Ovulation, fertilisation, zygote, early cleavage, morula, blastocyst, implantation
5
Q
Briefly describe genetic testing
A
Cells removed from early blastocyst during IVF for testing
6
Q
What happens if cells are removed after 3 divisions and what does it show?
A
Embryo fatality, shows at this point cells commit and cant be replaced after removal