Humans have a total of __________ chromosomes in normal developmental cases
a) 46
b) 23
c) 21
d) 22
a
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Which statement about suicide is accurate?
a. Suicide is now the third leading cause of death among young people aged 15-24. b. For every person who completes a suicide, there are about two who attempt it. c. Suicide is more common among college students than non-students of the same age. d. It is relatively easy to tell if an "accident" was really a suicide.
Huntington's disease is an unusual genetic disorder in that it is a fatal disease caused by dominant alleles that a. impact late enough in life so that the individual can reproduce. b. are controllable through diet
c. both must come from the mother. d. strike only males.
Dr. Proctor tells Uma that her developing embryo is showing distortions in the development of its circulatory system. As a knowledgeable student of human development, Uma should realize that the problem is within cells of the ____ layer
a. placenta b. mesoderm c. ectoderm d. endoderm
In general, how long is the gap between initial attraction and disclosure of sexual orientation for same sex orientations?
A. 6 years B. 8 years C. 10 years D. 12 years