Briefly explain the contribution of the woman's ovum and the man's sperm in determining the sex of the offspring
What will be an ideal response?
Answer: When the ovum and sperm meet at fertilization, the ovum provides an X chromosome, while the sperm provides either an X or Y chromosome. If the sperm contributes its X chromosome, the child will have an XX pairing and the child will be a girl. If the sperm contributes its Y chromosome, the child will have an XY pairing and the child will be a boy.
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Even though more than 2.3 percent of people have IQs below the 70 cutoff, only about 1 percent of the population has an intellectual disability. The prevalence of intellectual disability is lower than the prevalence of low IQs because
a. IQ tests are not reliable. b. most forms of intellectual disability have biological causes. c. many adults with low IQs have adequate adaptive skills. d. only people younger than age 18 can be diagnosed with intellectual disability.
The amount of "interpersonal distance" we maintain between ourselves and others is one aspect of nonverbal communication
a. true b. false