In a Dihybrid Cross Using Mendelian Inheritance, If Both Parents

question 60

Multiple Choice

In a dihybrid cross using Mendelian inheritance, if both parents are heterozygous for both traits, what will be the phenotypic ratio of their offspring?

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

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Definitions:

Lesser Trochanter

A small, bony protrusion located on the femur near the hip joint, serving as an attachment point for muscles.

Greater Trochanter

A prominent area of bone located at the upper part of the femur, serving as a major site of muscle attachment.

Head of Femur

The rounded, upper part of the thigh bone that fits into the hip socket forming the hip joint.

Forearm

The part of the human arm between the elbow and the wrist, comprising the radius and ulna bones.