Why are males more susceptible to X linked disorders?
a. Because males have an XX pairing of chromosomes; therefore, this increases their odds of a disorder.
b. Because males have an XY pairing of chromosomes and the Y chromosome is more likely to host a genetic disorder.
c. Because most genetic disorders are connected to the dominant gene and since men have an XY pairing a disorder is more likely to be expressed.
d. Because males have one X chromosome, and if a recessive gene for a disorder is present, he does not have another X chromosome that may contain a dominant gene to block its expression.
Answer: D
You might also like to view...
At a campaign meeting, the majority of the staff argues that they should use negative ads to attack their opponent. Despite their strong feelings on this matter, Stefan argues successfully for positive ads. According to the dualprocess approach, Stefan's influence has probably resulted in
a. defiance. b. conversion. c. public conformity. d. collusion.
According to Signorello & McLaughlin, 2004, research findings on caffeine's effects on the developing fetus ____.
A. show that caffeine consumption is harmful in the first trimester B. have been inconsistent C. show that caffeine consumption has no adverse effects on the fetus D. illustrate the benefits of caffeine for both mother and fetus
The voluntary breaking of established laws based on one's moral beliefs is called:
A. due process. B. moral exception. C. ethical justice. D. civil disobedience.
Which of the following is an example of Vygotsky's idea of scaffolding?
a. After years of watching her mother cut the grass, Emmy is able to cut it on her own when she turns 13 years old. b. Juan is toilet training. Every time he uses the toilet, his parents give him a gummy candy. Slowly, they begin rewarding him less and less until he is able to use the toilet without expecting a candy. c. Jesse watches his dad fold the laundry. One day, his dad asks for his help matching up the socks. A few weeks later, he shows him how to fold shirts. Six months later, Jesse is folding all the family's laundry. d. Lea's teacher thinks that the best way to have children learn their multiplication tables is to do several worksheets.