Embryonic Development Flashcards
1
Q
gamete
A
male or female reproductive cell- contains half genetic material
2
Q
gastrulation
A
phase im embry develop, single layered bastula turns to multilayered grastula
3
Q
blatocyst
A
stucture formed in early development of mammals
4
Q
zygote
A
cell formed by fertizilation of two gametes
5
Q
SRY gene
A
sex determining region protein
6
Q
haploid cell
A
a cell that contains a single set of chromosome
7
Q
zuna pellucida
A
thick transparent membrane surrounding an ovum before implantation
8
Q
diploid
A
cell that contains two copies of each chromosome
9
Q
mesoderm
A
middle layer- muscles heart blood
10
Q
ectoderm
A
outermost layer- skin nails hair
11
Q
endoderm
A
innermost layer - gut, stomach, digestion
12
Q
When is a baby called a fetus?
A
8th week of pregnancy
13
Q
morula
A
early stage embryo stage 3/4
