L 4.5.2 Test (CST): Computer-Scored Unit Test Question 19 of 25
What are the fixed alleles in the human species?
A. The alleles that no one has
B. The alleles that are on the most chromosomes
C. The alleles that change most often
D. The alleles that everyone has

Hey manwere are we to select?

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.