WAEC Biology 2015 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Biology 2015 Objective paper, with the correct answer and a full explanation.
Advertisement
Which of the following statements about sex-linked characters is not true?
- A. They are usually borne of the X-chromosome
- B. They are more common in males
- C. Males are usually carriersCorrect
- D. They are not usually carried on the Y chromosome
Explanation
Males are either free from a particular sex-linked character or they suffer from it directly; since males have only one X-chromosome, they cannot be carriers (a carrier state requires two X-chromosomes, one normal and one affected).
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.