You Have Chosen to Study the Genetics of Snapdragon Flower

question 100

Multiple Choice

You have chosen to study the genetics of snapdragon flower color.True-breeding red-flowered plants crossed with true-breeding white-flowered plants generate all pink-flowered F₁ offspring.When the F₁ offspring are crossed, you get the following numbers of F₂ offspring: 24 red, 54 pink, and 22 white.You interpret this inheritance pattern as

• A) incomplete dominance.
• B) codominance.
• C) epistasis.
• D) blending.
• E) pleiotropy.

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Definitions:

Adenine

A nitrogenous purine base that is a component of nucleic acids and ATP.

Cytosine

A nitrogenous pyrimidine base that is a component of nucleic acids.

Thymine

A pyrimidine base found in DNA, paired with adenine in the DNA double helix.

DNA Encoding

The process by which genetic information is represented in the DNA using the sequence of four nucleotides (adenine, thymine, cytosine, and guanine) to instruct the development and functioning of organisms.