Jamb 2002 Biology Questions
Question 46:
Genetic counselling is important when a marriage is planned between a
- A Rh<sup style='font-size: smaller;'>-</sup> woman and Rh<sup style='font-size: smaller;'> man+</sup>
- B Rh<sup style='font-size: smaller;'>-</sup> woman and Rh<sup style='font-size: smaller;'>-</sup> man
- C Rh<sup style='font-size: smaller;'>+</sup> woman and Rh<sup style='font-size: smaller;'>+</sup> man
- D Rh<sup style='font-size: smaller;'>+</sup> woman and Rh<sup style='font-size: smaller;'>-</sup> man
Question 47:
What proportion of the offspring of a cross between two heterozygous parents will exhibit the recessive condition phenotypically
View Answer & ExplanationQuestion 48:
A hormone secreted at IV serves to
- A Make the body react to emergencies
- B Lower blood glucose level
- C Raise the level of calcium ions in the blood
- D Facilitate the development of facial hairs