Multiple choice

In a monohybrid cross, red is dominant over white (RRrr), what will be the phenotypic ratio in a cross of RR X Rr?

  1. 50% red

  2. 100% red

  3. 100% white

  4. 75% red

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

Only two types of progenies will be obtained, RR and Rr, and red (R) allele is present in both the situations; it will mask the effect of white.