Which of these is LEAST likely to trigger a mutation?
a. Food additives/preservatives
b. Exposure to radiation
c. Vigorous exercise
d. Toxic waste exposure
Question 2When a minority-language child is taught only in English at school, the child's proficiency in the minority language
a. becomes enhanced.
b. is unaffected.
c. is unaffected, but emotional disturbances are common.
d. worsens.
Question 3The genetic disease phenylketonuria (PKU) is treated by
a. regulating the child's diet.
b. minimizing the child's exposure to bright lights.
c. daily injections of a vaccine.
d. surgically removing the child's pituitary gland.
Question 4Which child is especially prone to LEP?
a. A child of an immigrant from a non-English speaking country
b. A child of highly educated professionals
c. A child with eight siblings living in a small house
d. A girl who has sisters but no brothers
Question 5____ are genetic changes that result in new phenotypes that can be harmful or even fatal.
a. Selective breedings
b. Polygenic traits
c. Adoption designs
d. Mutations
Question 6Some children have LEP, which is
a. a neurological disorder of the LAD.
b. lexically exonerated primordials.
c. limited English-language proficiency.
d. linguistically expanded processing.
Question 7For which chromosomal condition is the father's sperm always the source of the developmental defect?
a. XYY supermale
b. Down syndrome
c. Turner's syndrome, XO
d. Poly-X superfemale
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