Both A and B are correct.
Pepperoni pizza does not contain much if any folate.
It's A because you basically learn like how to be happy if that makes sense
A pregnancy starts with fertilization, when a woman's egg joins with a man's sperm<span>. Fertilization usually takes place in a </span>fallopian tube<span> that links an ovary to the </span>uterus<span>. If the fertilized egg successfully travels down the </span>fallopian tube<span> and implants in the</span>uterus<span>, an embryo starts growing.</span>
Genes Have Alleles
The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Animals have two copies of all their chromosomes, one from each parent.