The existence of three copies of chromosome 21 is characteristic of
a. Turner's syndrome.
b. Down syndrome. c. PKU.
d. Tay-Sachs disease.
ANSWER: b
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Hearing is normal when sounds can be heard at a minimum of ________ decibels
Fill in the blank(s) with correct word
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What is the final step of generalization?
A. Alter antecedents and required student responses B. Present examples at a quick pace C. Vary the reinforcement schedule and fade to natural consequences D. Provide an intertrial interval before the next real-world experience
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A teacher is advised to prepare instructional objectives, teach toward those objectives, and then assess student learning against those same objectives
Indicate whether this statement is true or false.
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What is the name of the letter ??
a. phi b. rho c. sigma d. alpha
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