How many possible genotypes and phenotypes are there for a single gene trait that shows dominance in any given population? a. one genotype, one phenotype
b. two genotypes, two phenotypes c. three genotypes, two phenotypes d. two genotypes, three phenotypes

Answer asap 50 points which of the following distinguishes the soil composition of grassland? 1. the soil supports large trees with thick, long roots, so horizon b needs to be deep enough to sustain larger flora. 2. the soil supports large trees with thick, long roots, so horizon a needs to be deep enough to sustain larger flora. 3. the soil supports small plants and shrubs with short roots, so horizon a needs to be deep enough to sustain smaller flora. 4. the soil supports small plants and shrubs with short roots, so horizon b needs to be deep enough to sustain smaller flora.