A geneticist found that when two platinum-colored foxes are crossed, litters with both platinum and silver-colored offspring are always produced. Over the years, she collected the following data: platinum X platinum 220 platinum foxes and 110 silver foxes Which of the following is the most likely explanation for platinum and silver coat color in foxes?       Silver is homozygous recessive, and platinum can either be homozygous or heterozygous.     Silver is homozygous, platinum is heterozygous, and the platinum allele is lethal when homozygous.     There is epistasis involved.

Human Biology (MindTap Course List)
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ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter20: Chromosomes And Human Genetics
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A geneticist found that when two platinum-colored foxes are crossed, litters with both platinum and silver-colored offspring are always produced. Over the years, she collected the following data:

platinum X platinum

220 platinum foxes and 110 silver foxes

Which of the following is the most likely explanation for platinum and silver coat color in foxes?

 

   

Silver is homozygous recessive, and platinum can either be homozygous or heterozygous.

   

Silver is homozygous, platinum is heterozygous, and the platinum allele is lethal when homozygous.

   

There is epistasis involved.

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