What Phenotypic Ratio of the Progeny Results from Independent Assortment

question 3

Multiple Choice

What phenotypic ratio of the progeny results from independent assortment of two traits when parents are heterozygous for both traits?

• A) 4:1
• B) 3:1
• C) 9:3:3:1
• D) 3:6:6:1
• E) 12:3:1

---

Definitions:

Iris

The colored part of the eye surrounding the pupil that controls the amount of light entering the eye by adjusting the size of the pupil.

Middle Layer

Typically refers to the intermediate layer in a multi-layered structure, which could pertain to skin, geological formations, or other stratified materials.

Nerve Endings

The tips of nerve fibers where signals are received or sent, crucial for sensing and response mechanisms in the body.

Retina

The light-sensitive layer of tissue at the back of the inner eye that converts light into electrical signals for the brain.