Answer: genotypic ratio 2/4
Phenotypic ratio 4/4 is the same
Explanation: suppose RR is the dominant female and Rr is the heterozygous male. Then after the cross genetically 2 have RR and 2 have Rr ratio. But phenotypically all 4 are the same.
Answer should be D. Protein
Carbon dioxide is released into the air during respiration. Respiration is the act of breathing, so when you exhale you release carbon dioxide
I think I’m right lol hope I helped