principles of Flashcards
1
Q
weeks 0-3
A
conceptus/ embryo
2
Q
weeks 3-8
A
embryonic period
3
Q
weeks 9-40
A
foetal priod
4
Q
phases of embryogenesis
A
Gametogenesis
Fertilisation
Cleavage
Gastrulation
Formation of a body plan
Organogenesis
5
Q
gametogenesis
A
formation of gamete
6
Q
gamete
A
cell with a complement of 23 chromosomes
7
Q
oogenesis
A
formation of female gametes
8
Q
spermatogenesis
A
formation of male gametes
9
Q
haploid
A
23 chromsomes
10
Q
what is downs typically caused by
A
NON DYSJUNCTION
11
Q
fertilisation
A
unuion of gametes
fusion of sperm and oocyte
12
Q
is a zygote haploid or diploid
A
diploid
13
Q
cleavage
A
rapid mitotic cell division
14
Q
is there an increase in cell size during cleavage
A
no
15
Q
organogenesis
A
formation of organs