Suppose That Gene a Controls the Synthesis of Blue Pigment

question 10

Multiple Choice

Suppose that gene A controls the synthesis of blue pigment in the petals of a flowering plant.Plants with genotype A/A produce blue pigment in their petals,while those with genotype A/a or a/a do not produce any blue pigment.The expected narrow-sense heritability (h²) for the production of blue pigment in this plant's flowers is:

• A)exactly 0.
• B)exactly 0.5.
• C)higher than 0,but lower than 1.
• D)exactly 1.
• E)dependent on the environmental variance.

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