Carol has bright red hair. This is a recessive trait. Therefore, _____________ red hair
a. both her parents have
b. her siblings will have
c. both of her parents carried a recessive gene for
d. her mother had a dominant gene for
c. both of her parents carried a recessive gene for
Ratoinale:Red hair is a recessive gene and is expressedwhen two carriers have the recessive gene.
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"Say Cheese!" If you voluntarily smile when someone takes a picture even though you are not happy or amused and you don't really feel like smiling, these facial movements are controlled by your ________ motor system.
A. autonomic B. extrapyramidal C. central D. pyramidal
Information about retinal disparity combines with an assessment of an object's movement in the anterior _________ lobes.
A. frontal B. parietal C. temporal D. occipital
Video chatting, e-mail, and texting may influence interpersonal relationships because they increase the ________ of people even if they do not affect their physical proximity
a. propinquity b. similarity c. reciprocal liking d. social exchange
Which condition is an example of dominant-recessive inheritance?
A. Prader-Willi syndrome B. Down syndrome C. color blindness D. cystic fibrosis