Yeast Makes photosynthesis under light.
Makes alcoholic fermentation reactions.
Only makes anaerobic respiration reactions
Releases oxygen in the fermentation process.

your answer is D

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.