In rabbits, a locus involved in the control of coat colour may be occupied by any of four alleles: Full colour (C), Sepia (ck), Cream (cd), or Albino (ca). A geneticist counted the number of Full colour (C), Sepia (ck), Cream (cd) and Albino coat offspring resulting after crosses between Sepia (ck) and Cream (cd) coloured coated parents. The results were as follows. • Full colour (C): 152 • Sepia (ck): 53 • Cream (cd): 39 • Albino (ca): 6 Mendelian inheritance of this trait predicts that the ratio of Full colour (C) to Sepia (ck) to Cream (cd) to Albino (ca) should be 9:3:3:1. Do the experimental results support this mode of inheritance?

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter12: Mendel, Genes, And Inheritance
Section: Chapter Questions
Problem 1TYK: The dominant C allele of a gene that controls color in corn produces kernels with color; plants...
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7. In rabbits, a locus involved in the control of coat colour may be occupied by any of four
alleles: Full colour (C), Sepia (ck), Cream (cd), or Albino (ca). A geneticist counted the number
of Full colour (C), Sepia (ck), Cream (cd) and Albino coat offspring resulting after crosses
between Sepia (ck) and Cream (cd) coloured coated parents. The results were as follows.
• Full colour (C): 152
• Sepia (ck): 53
• Cream (cd): 39
• Albino (ca): 6
Mendelian inheritance of this trait predicts that the ratio of Full colour (C) to Sepia (ck) to Cream
(cd) to Albino (ca) should be 9:3:3:1. Do the experimental results support this mode of
inheritance?

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