A boy has brown hair and blue and his brother has brown hair and brown eyes. the fact that they have different combinations of traits is the best-explained concept of A= sex linkage
B=independient assortment
C=mitoic recombination
D=imcomplete dominance

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

What types of energy transfers and energy transportations are involved in the domino chain reaction?

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?