In adults, stem cells remain undifferentiated until they are needed to repair or replace other cells. stem cells can produce cells that are
i. identical to themselves.
ii. more specialized than themselves.
iii. less specialized than themselves.

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints