Red-green color deficiency is due to a recessive gene on the X chromosome. Women can be carriers or have color deficienty, and men are either color deficient or not. If an unaffected male and a female who is a carrier have children, what is your prediction as to the color deficiency status of their children?
A. Half of the couple's daughters, but none of their sons, are likely to have red-green color deficiency.
B. Half of the couple's sons, but none of their daughters, are likely to have red-green color deficiency.
C. None of the couple's children are likely to have red-green color deficiency.
D. All of the couple's children are likely to have red-green color deficiency.
Answer: B
You might also like to view...
Kendal is sexually attracted to some of the men in his fraternity as well as to many of the female students on campus. Kendal's sexual orientation would be considered:
a. homosexual. b. heterosexual. c. bisexual. d. multisexual.
When problems exist between parents and children, their problems are usually BEST handled by __________
a. psychoanalysis b. family therapy c. operant conditioning d. individual therapy
The medical approach has proven effective for most sexual problems
a. True b. False
What is the first A phase of a single-case design?
a. The phase before the experiment begins. b. The baseline measurement c. An interview stage d. The initial intervention. e. A case study f. There is no first A phase.