Assisted Repro Tech 1 Flashcards
(T/F) Twins can be maintained with only one CL
True!
What problem can arise between the CL and follicles?
If follicles are present during day 7, the estrogen it produces will conflict with the progesterone of the CL
We will achieve better pregnancy rates if we take embryos that are in what stage and place them into the oviduct?
Zygote stage
Why do we wait 7 days before transferring embryos?
This allows us to transfer the embryos into the uterus
How far into pregnancy can we collect viable oocytes?
Why?
100 days
After then the fetus will fall into the body cavity making the ovaries unreachable
What species of animals’ embryos do not freeze well?
Why?
Swine
Too much lipid in the cells
What needs to be present in an embryo before embryo splitting can occur?
A ICM and a trophoblast
What is the key to cloning?
Reprogramming a cell so that it becomes tonipotent