For paternity testing to work, which of the following must be true?
◦ A child must inherit half of their alleles from their father, the other half come from the mother.
◦ A child can inherit all of their alleles from their father.
◦ The true mother must be known.
◦ The father must be homozygous for any allele that is tested.
◦ The father and the mother cannot be identical twins.