Question

The genotypic ratio of a monohybrid cross is

• A. 1:2:1
• B. 3:1
• C. 2:1:1
• D. 9:3:3:1

Answer 1

Answer:

A. 1:2:1

• A monohybrid cross results in a phenotypic ratio of 3:1 (dominant to recessive), and a genotypic ratio of 1:2:1 (homozygous dominant to heterozygous to homozygous recessive).