The last major organ to mature during the final 2 months of the fetal period is/are the:

Longitudinal studies comparing children with secure or insecure attachments have found

________ refers to the return of development to a genetically predetermined pathway after restoration of normal nutrition.

Down syndrome is caused by

A change in type or kind is a/an:

Bayley has one X chromosome and one Y chromosome. Therefore, Bayley is a(n)

Why is the study referenced in “Three Identical Strangers” unethical?  

________ is a hormone that initiates uterine contractions and stimulates other hormones, like estrogen, that regulate uterine contractions.

After explaining to parents and children the purpose of the research project, how it will be conducted, and the risks and benefits expected, the researcher must obtain ________ from parents and children.

The embryonic period is the time when