1. Which of the following statements about allopolyploid individuals is true?a.They are always sterile.b. They result from a mating between individuals of the same species.c.They can be formed when two sperm simultaneously fertilize an ovum within the same species.d.They can be generated by exposure of interspecies hybrids to colchicine.2. How many chromosomes would be found in an allotetraploid plant if its parent species had diploid numbers of 4 and 6 respectively?a. 12b. 10c. 7