Important Questions on Heredity and Evolution No two individuals are absolutely alike in a population. Why? All the variations in a species do not have equal chances of survival. Why? Why do mice whose tails were surgically removed just after birth for generations, continue to produce mice with tails? Why is the progeny always tall when a tall pea plant is crossed with a short pea plant? Write the contribution of Charles Darwin in the field of ’evolution'. Give one example of each of the characters that are inherited and the ones that are acquired in humans. How do sexual and asexual reproductions lead to speciation? Give one point for each. List four tools used to study evolutionary relationships. 
