Snapdragons have a dominant red allele and a dominant white allele. what happens to heterozygous flowers (include the type of dominance)?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans

Where are chlorophyll molecules located within the chloroplasts?