A disorder in which defects on chromosome 21 result in mental retardation and characteristic physical deformities on the hands, feet, and eyelids is ______
a. PKU c. Tay Sach's disease
b. Down syndrome d. fragile-X syndrome
B
Psychology
You might also like to view...
Ainsworth believed that the key to an infant's attachment style was the quality of _____ and the infant's interaction with his or her caregiver in the first year of life
A) parenting B) breastfeeding C) stimulation D) temperament
Psychology
Epinephrine and norepinephrine are produced by the
a. adrenal medulla. b. adrenal cortex. c. thyroid gland. d. pineal gland.
Psychology