Cloning & Genomic Equivalence Flashcards
1
Q
Describe pluripotent cells
A
form any cell type EXCEPT extra embryonic cells
2
Q
What is totipotent
A
zygote
3
Q
Why is potency restricted
A
gene loss or differential gene activity
4
Q
TRUE or FALSE - Genes are lost when cells differentiate
A
FALSE
5
Q
What is a factor gene expression can be controlled by
A
cytoplasmic factors
6
Q
How can you test nuclear potency
A
nuclear transfer
7
Q
Describe a method of nuclear transfer that tests nuclear potency
A
nucleus from blastula injected into enucleated egg, develops into fully patterned animal
8
Q
TRUE or FALSE - nuclei of differentiated skin cells can be reprogrammed to become pluripotent
A
TRUE
9
Q
What are the two exceptions to nuclei of all cells retaining potential
A
somatic cells in parascarsis, differentiated B lymphocytes
