In test HELP Pertaining to dihybrid crosses, with non linked genes. What are typical phenotypic ratios of an F2 generation, when an AaBb x AaBb cross of F1 heterosygotes is made

A) 9:3:3:1
B) 3:1
C) 4:4:4:4
D) 1:6:15:20:15:6:1
E) 1:2:1

What did the first language sound like

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Match with o for organic and i for inorganic for each compound