With help from fertility specialists, a woman with very low follicle-stimulating hormone and luteinizing hormone levels finally conceives a son. If her genetic condition is from a dominant allele and is passed on to her son, what is the likely result?
A. He may have fertility problems as well.
B. He is likely to have more sons than daughters.
C. He will be fine, but his daughters will have a 50% chance of fertility problems.
D. As a male, he will neither express nor pass on these genes.
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about hormones and fertility? What other information is related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A. He may have fertility problems as well.
Clarify Question
What is the key concept addressed by the question?
· This question is asking about the effects on fertility of low FSH and LH levels in a male.
What type of thinking is required?
· Apply level:
o You are being asked to take what you already know and use, or apply, it to the effects of low FSH and LH counts.
Gather Content
What do you already know about hormones and fertility? What other information is related to the question?
· Several hormones influence human fertility.
· The same hormones may influence both male and female fertility.
· Follicle stimulating hormone (FSH) stimulates spermatogenesis in males, and follicle development in females.
· Luteinizing hormone (LH) stimulates the release of testosterone in males, and ovulation in females.
· Insufficient hormone levels can lower fertility in males and females.
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
· Since FSH and LH have important reproductive functions in men as well, it is possible that her son may have problems.
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
· Apply level:
o Answering this question correctly depended on your ability to use the role of hormones in fertility in a new situation. If you got an incorrect answer, did you remember that FSH and LH play a role in the fertility of both males and females? Did you have trouble extending the role of hormones to determine the correct answer?
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