1. ips cells become induced during gastrulation.
a. true
b. false
2. gfp is expressed in mouse embryonic fibroblasts (mefs) from the nanog-gfp-ires-puro transgenic mice.
a. true
b. false
3. ips cells were generated from es cells from the nanog-gfp-ires-puro mice.
a. true
b. false
4. the nanog ips cells could give rise to many different tissue types including functional sperm in chimeric mice.
a. true
b. false
5. some mice generated from the nanog ips cells developed tumors. a. true
b. false