Practice question

Question

Given below are a few statements related to plant breeding and genetics: A. Non-random mating between individuals closely related to each other would tend to promote a decrease in homozygosity at all loci. B. Quantitative traits are typically influenced by environmental conditions to a greater extent than qualitative traits. C. The "over dominance theory for explanation of heterosis assumes that in a heterozygote, only one of the alleles plays a functional role. D. During domestication selected genes/traits show a decrease in diversity. Which one of the following options represents a combination of all INCORRECT statements?