Polygenic traits
a. are transmitted by a single pair of genes.
b. are uncommon in humans.
c. are transmitted by the mother.
d. come from the combination of more than one gene.
d
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Differentiation of cells begins
a. during the period of the embryo. c. during the period of the zygote. b. during the period of the fetus. d. at birth.
According to the case study in your text, by Smith, Franz, Joy, and Whitehead
(2005), which of the following best describes the procedure of the experiment? A) blind subjects were matched with other blind subjects on dimensions such as age, sex, and education B) blind subjects were matched with sighted subjects on dimensions such as age, sex, and education C) blind subjects were matched with other blind subjects on dimensions such as age, weight, and intelligence D) blind subjects were matched with sighted subjects on dimensions such as age, weight, and intelligence