Pregnancy | Slideshow 2 Flashcards
1
Q
Define pregnancy.
A
The period from conception to birth.
2
Q
What is the normal duration of pregnancy?
(unimportant)
A
265 days.
(~40 weeks.)
(~9 months.)
3
Q
What is an embryo?
A
The developing organism during pregnancy.
4
Q
When does an embryo become known as a fetus?
A
At the end of the 8th week.
5
Q
What is a zygote?
A
A fertilized ovum.
(diploid – 2 sets of chromosomes)
6
Q
What happens after an ovum is fertilized?
A
It becomes a diploid zygote.
7
Q
When does a blastocyst form?
A
5 days after fertilization.
8
Q
A