During weeks _____, the sex organs develop enough that an ultrasound examination can reveal the sex of the fetus
A) 1 through 3
B) 4 through 6
C) 7 through 9
D) 9 through 12
D) 9 through 12
Psychology
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If an infant sticks out his tongue in response to a parent doing the same action, what has occurred?
a. Memory b. Imitation c. A random act d. Accommodation
Psychology
If a stimulus produces a response before training begins, that stimulus is:
a. a conditioned stimulus b. an unconditioned stimulus c. a discriminative stimulus d. an associative stimulus
Psychology
The percentage of pairs of twins who share a particular characteristic is called the _____ rate.
A) common B) coefficient C) concordance D) comorbidity
Psychology
When a zygote has an abnormal number of chromosomes, it usually does not begin to develop
Indicate whether this statement is true or false.
Psychology