The first thing that could help you is that squares are male and circles are female, which means that C and D are incorrect.
Now, <span>the sister has attached earlobes, so both parents must have the recessive allele along with the dominant, which means that the child has both recessive and dominant as well. This means that the correct answer is A. </span><span>It is a male with at least one dominant allele.</span>
Because they lack nucleus
Atoms > Molecules > Organelles > Cells > Tissue > Organ > Organ System > Organism
