Which recessive genetic disorder occurs primarily among people of European Ashkenazi
Jewish ancestry, resulting in early death in those children afflicted with it?
a. cystic fibrosis
b. Tay-Sachs disease
c. phenylketonuria
d. sickle-cell anemia
b
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By age 8, __________ Caucasian girls and _________ African American girls develop breasts or pubic hair; the causes of this are unclear and a matter of some debate among specialists.
A. 1 out of 7; 1 out of 2 B. 1 out of 2; 1 out of 7 C. 3 out of 4; 1 out of 2 D. 1 out of 2; 4 out of 5
A mother asks her doctor, "Is my baby normal in comparison with her age group?" The mother is concerned with her child's ____ development
a. normative b. ideographic c. reliability of d. plasticity of
The three elements of the communication process are the ____________________, ____________________, and ____________________.
Fill in the blank(s) with the appropriate word(s).
Which aspect of friendship tends to be new to children aged 8-11?
A. Sharing activities B. Trust C. Sharing toys D. Mutual liking