rigeons have long been the subject of genetic studies. Indeed, Charles Darwin bred pigeons in the hope of unraveling the principles of heredity but was unsuccessful. A series of genetic investigations in the early 1900s worked out the hereditary basis of color variation in these birds. W. R. Horlancher was interested in the genetic basis of kiteness, a color pattern that consists of a mixture of red and black stippling of the feathers. He carried out the following crosses to investigate the genetic relation of kiteness to black and red feather color (W. R. Horlancher. 1930. Genetics 15:312-346). Offspring 16 kitey, 5 black, 3 6 kitey, 7 black 18 red, 9 kitey, 6 bl. Cross kitey x kitey kitey x black red x kitey

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On the basis of these results, propose a hypothesis to explain the
inheritance of kitey, black, and red feather color in pigeons. (Hint: Assume that two loci are involved and some type of epistasis occurs.

rigeons have long been the subject of genetic studies. Indeed,
Charles Darwin bred pigeons in the hope of unraveling the principles of
heredity but was unsuccessful. A series of genetic investigations in the
early 1900s worked out the hereditary basis of color variation in these
birds. W. R. Horlancher was interested in the genetic basis of kiteness, a
color pattern that consists of a mixture of red and black stippling of the
feathers. He carried out the following crosses to investigate the genetic
relation of kiteness to black and red feather color (W. R. Horlancher.
1930. Genetics 15:312-346).
Offspring
16 kitey, 5 black, 3
6 kitey, 7 black
18 red, 9 kitey, 6 bl.
Cross
kitey x kitey
kitey x black
red x kitey
Transcribed Image Text:rigeons have long been the subject of genetic studies. Indeed, Charles Darwin bred pigeons in the hope of unraveling the principles of heredity but was unsuccessful. A series of genetic investigations in the early 1900s worked out the hereditary basis of color variation in these birds. W. R. Horlancher was interested in the genetic basis of kiteness, a color pattern that consists of a mixture of red and black stippling of the feathers. He carried out the following crosses to investigate the genetic relation of kiteness to black and red feather color (W. R. Horlancher. 1930. Genetics 15:312-346). Offspring 16 kitey, 5 black, 3 6 kitey, 7 black 18 red, 9 kitey, 6 bl. Cross kitey x kitey kitey x black red x kitey
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