Genotypes are described as homozygous if there are two identical alleles at a particular locus. Alleles contribute to the organism's phenotype, which is the outward appearance of the organism.
B12 Absorption Pathway and Players Offer Unique Opportunities for Drug Delivery
Fetal Brain Development Needs DHA and DHA Needs Choline to Get There
Anything Above 55mcg B12 is Considered Excess