Multiple choice The ratio of parental recombination in maize in Hutchinson's test cross is 50 : 50 9 : 7 96.4 : 3.6 7 : 1 : 1 : 7 Reveal answer Fill a bubble to check yourself C Correct answer Explanation The ratio of parental recombination in maize in Hutchinson's test cross is 96.4 : 3.6.