Homozygous means "the same" and Heterozygous means "different". If a pheno type is homozygous, for example, it could be XX or xx, while heterozygous could be Xx. Hope that helps.
<span>the principal of independent assortment is the different genes </span>independently<span> separate from one another when reproductive cells develop.</span>
Differentiation is the way they adapt to their functions
What are my options I only see the question?
