In a cross between a long and a globe-shaped radish, the F₁ generation consisted of 247 oval-shaped radishes. The F₂ generation consisted of 62 long radishes, 127 oval radishes, and 59 globe-shaped radishes. Which of the following pertaining to this cross is true? A) long is dominant B) oval is dominant C) globe-shaped is dominant D) oval is recessive E) None of the shapes is recessive.

Question

Quizplus · Accepted Answer

The F1 generation being all oval suggests that oval is the result of incomplete dominance between long and globe-shaped radishes. The F2 generation's 1:2:1 ratio further supports this, indicating that neither long nor globe-shaped is completely dominant or recessive.

In a Cross Between a Long and a Globe-Shaped Radish