In a species of rodent, straight hair is dominant to curly hair, and dark eyes are dominant to red eyes in normal mendelian fashion. These characteristics are not linked. A breeder of fancy rodents, has been given a gift of a female rodent from a cross between a pure breeding, curly-haired red-eyed male rodent, and pure breeding, straight-haired dark-eyed female rodent. This gifted female rodent was then allowed to cross with a pure breeding straight-haired dark-eyed male rodent.
Clearly show and explain the genetics through the generations of rodents outlined above including the potential F2 generation. (15 marks)
In a species of self fertilising plant, tall is dominant to short, and flower colour can be either red, blue, or in combination purple.
Explain the genetics associated with artificially crossing a heterozygous tall plant with red flowers, and a homozygous short plant with purple flowers, going to and including the natural F2 generation produced by just their purple flowered progeny.
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