An f1 plant with the genotype ddgg is mated to a ddgg plant. the resulting seeds are planted and the following phenotypes produced in these numbers: dg 47 dg 396 dg 412 dg 55 a. what were the genotypes of the parental strains that produced the f1? b. what is the distance between the genes?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla