If a black guinea pig Bb were crossed with a white guinea pig bb, what would be the resulting phenotypic ratio? 0:1 black to white
1:0 black to white
1:1 black to white
3:1 black to white

the correct option is option d

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

answer///multiple alleles;