# genotype starts with AA and ends with BB
def findGen(line):
  gens = []
  endingPostition = 0 #last end postition
  #go through all characters
  for i in range(0, len(line) - 1):
    #find start pattern
    if line[i] == "A" and line[i+1] == "A":
      # Found AA
      gen = ""
      #Ensure that end was found
      if i >= endingPostition:
        k = i # select start index
        #go through chars (i -> end - 1)
        for k in range(i, len(line) - 1):
          #find end pattern
          if(line[k] == "B" and line[k+1] == "B"):
            # found ending
            endingPostition = k #define where should start
            gen += "BB"
            break
          else:
            # not found ending. Add next char
            gen += line[k]

      # won't add gen if not have ending
      if gen.find("BB") > 0:
        gens.append(gen)

      gen = ""

  return gens