Denise has Phenylketonuria (PKU). She inherited the allele for PKU from both parents. Her genes for PKU could be said to be:
a. homozygous dominant
b. homozygous recessive
c. heterozygous
d. none of the above
b. homozygous recessive
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Which term does not fit with the notion of "constricting" during play?
a. Exaggeration b. Threats c. Contradiction d. Support
A mother is homozygous for tasting PTC. The father is a homozygous non-taster. What is the chance that they will have a child that is a non-taster? Explain how you arrived at your answer.
What will be an ideal response?
Delay-of-gratification tasks are often used to
a. evaluate the child's self-esteem. b. estimate the child's current level of intellectual ability. c. evaluate the child's ability to regulate his or her own behavior. d. evaluate the degree to which the child has bonded to his or her primary caregiver.
A human can detect wavelengths of light that are between __________ and __________ nm.
A. 100; 200 B. 100; 380 C. 380; 760 D. 760; 980