. In a particular kind of ornamental flower, the wildtype flower color is deep purple, and the plants aretrue-breeding. In one true-breeding mutant stock, theflowers have a reduced pigmentation, resulting in alavender color. In a different true-breeding mutantstock, the flowers have no pigmentation and are thuswhite. When a lavender-flowered plant from the firstmutant stock was crossed to a white-flowered plantfrom the second mutant stock, all the F1 plants hadpurple flowers. The F1 plants were then allowed toself-fertilize to produce an F2 generation. The 277 F2plants were 157 purple : 71 white : 49 lavender. a. Explain how flower color is inherited. Is this traitcontrolled by the alleles of a single gene?b. What kinds of progeny would be produced if lavender F2 plants were allowed to self-fertilize?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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. In a particular kind of ornamental flower, the wildtype flower color is deep purple, and the plants are
true-breeding. In one true-breeding mutant stock, the
flowers have a reduced pigmentation, resulting in a
lavender color. In a different true-breeding mutant
stock, the flowers have no pigmentation and are thus
white. When a lavender-flowered plant from the first
mutant stock was crossed to a white-flowered plant
from the second mutant stock, all the F1 plants had
purple flowers. The F1 plants were then allowed to
self-fertilize to produce an F2 generation. The 277 F2
plants were 157 purple : 71 white : 49 lavender.
a. Explain how flower color is inherited. Is this trait
controlled by the alleles of a single gene?
b. What kinds of progeny would be produced if lavender F2 plants were allowed to self-fertilize?

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