A researcher is studying two populations of mice-one population where all genotype d/d and another population where all mice have the genotype D/d. In this scenario, the d/d mice would be considered and the DVd mice are O heterozygous; homozygous dominant O monohybrids; heterozygous homozygous recessive; hybrids homozygous dominant; homozygous recessive heterozygous; homozygous recessive Solution Hi, Because mitosis is occurred in somatic cells of eukaryotes. 3. Answer of third question is(b) a variation in the neuclieotide sequence that may or may not result in detectable phenotype. Because for example in case of heterozygous dominant alles result may not same as homozygous alleles. 4.answer of this question is(a)viruse. Because virus is known as connective link between living and non living things. I hope my answer is satisfactory. Thanks!!.