Multiple choice

After a cross of round seeded plant with wrinkled seed plant, F1 produced 50 per cent round seed plants and 50 per cent wrinkled seed plants. What is the genotype of parental plants?

  1. RR X rr

  2. RR X RR

  3. Rr X RR

  4. Rr X rr

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

After a cross of round seeded plant with wrinkled seeded plant, F1 produced 50 per cent round seed and 50 per cent wrinkled seeded plant. The cross is test cross, i.e. Rr X rr.