1/2 will be homozygous dominant brown and the other half will be heterozygous for brown
Effects on fish, micro blooms
Answer: Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring)
Explanation: Mutation is a factor to a population having genetic variation.
