What parental characteristics make it more likely children will be born with a chromosomal disorder?
a. mother's diet during pregnancy
b. whether the mother or father has a chromosomal disorder themselves
c. father's age
d. mother's age
Answer: D
Psychology
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According to widely used criteria for childcare quality, which of the following caregiver-to-child ratios would be best for infants under 12 months?
a. 1:4 b. 1:6 c. 1:8 d. 1:10
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