Down syndrome can be detected by:

A. the first trimester of pregnancy
B. only at birth
C. ages 1-2
D. adolescence

A. the first trimester of pregnancy

Psychology

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Immune cells manufactured in the thymus gland are

B cells. C cells. G cells. T cells.

Psychology

A) Yes, because most infants don't develop true comprehension until after their first birthday

Should Serina be surprised that her 10-month-old infant understands her command to pick up her rattle? B) No, because most infants can comprehend hundreds of words by their first birthday. C) Yes, because although most infants can produce hundreds of words before their first birthday, comprehension usually lags behind. D) No, because infants' comprehension of their world precedes their production ability.

Psychology