Which of the following is not a category of play, according to Parten?
a. parallel c. voluntary
b. solitary d. cooperative
Question 2
What is the term for the process by which ova are fertilized in vitro, tested for sex chromosomal structure, and then embryos of the desired sex are implanted into the mother-to-be?
a. PID c. IVF
b. PGD d. Microsort