Q1. Why do mosses and ferns both require free water to complete their life cycles? At what stage of the life cycle is the water required? Do angiosperms also require water to complete their life cycles? What are reasons for the difference?

Q2. In horses, black coat colour is influenced by the dominant allele (B) and chestnut coat colour by the recessive allele (b). Trotting gait is due to a dominant gene (T), pacing gait to the recessive allele (t). What colour horse would you use to expose the genotype of a black trotter?

Give genotype and phenotype of such horse.