In a dihybrid cross, a purely heterozygous individual crossed with another purely heterozygous individual yields a phenotypic ratio of... 1:0
1:2:1
3:1
9:3:3:1

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.

What molecule contains an organisms genetic material, passed down from parents to their offspring

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground