Patsy and Terry are fraternal twins. This type of twinning results from
A) a zygote that duplicates and separates into two clusters of cells.
B) the fertilization of one ovum by two Y-bearing sperm.
C) the release and fertilization of two ova.
D) the fertilization of one ovum by two X-bearing sperm.
C
Psychology
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During the mid-1980s through 2000, I/O doctoral programs increased by _____ and master's programs increased by ____.
A) 10%; 50% B) 20%; 100% C) 50%; 200% D) 100%; 500%
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For people who are obese and hypertensive,
A) ?losing weight is more important than lowering blood pressure. B) ?losing weight is likely to raise their blood pressure. C) ?losing weight is likely to lower their blood pressure. D) ?drastic weight loss is likely to be dangerous.
Psychology