Which of the following arguments best explains the differences in their features?
a
lucy and maria did not receive the same number of chromosomes, with one twin receiving more chromosomes and another receiving fewer chromosomes.
b
lucy and maria had different mutations occur in the chromosomes they inherited from their mother.
lucy and maria inherited different combinations of 23 chromosomes from their mother and 23 chromosomes from their father.
d
lucy inherited a complete set of 46 chromosomes from one parent and maria inherited a complete set of 46 chromosomes from the other parent.