Most chromosomal defects result from __________
A) X-linked disorders
B) mistakes occurring during mitosis
C) mistakes occurring during meiosis
D) recessive disorders
Answer: C
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The work of Rene Spitz ____
a. led to the development of an organic model of mental illness b. is the first documented attempt to help a special needs child c. led to some of the first empirically supported behavioral techniques for eliminating children's fears d. raised serious questions about the harmful impact of institutionalization of children's development
Two groups of physicians were asked to predict the incidence of breast cancer among women who showed abnormalities on a mammogram screen. One group (group A) was told, "10 out of every 1,000 women actually have breast cancer." The second group (group B) was told, "1% of women actually have breast cancer." The result was that:
A) nearly half of both groups got the right answer. B) nearly half of group A but less than 10% of group B got the right answer. C) less than 10% of group A but nearly half of group B got the right answer. D) less than 10% of both groups got the right answer.
It becomes increasingly difficult to change the child's gender identity after about age ____
a. one c. four b. two d. five
In the back of the eye is the "optic disk" where cells exit to the brain. This area results in
A) depth perception B) color vision C) floaters D) the blind spot