Q. In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place ?
A) Directional Selection
B) Stabilizing Selection
C) Disruptive Selection
D) Cyclical Selection
Explanation
[Solution] Individuals with the mean (intermediate) weight are favoured: stabilising selection. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.