In plants,red fruit $(R)$ is dominant over yellow fruit $(r)$ and tall height $(T)$ is dominant over dwarf height $(t)$. If a plant with genotype $RRTt$ is crossed with a plant with genotype $RRTt$,what will be the phenotype of the offspring?

  • A
    $75\%$ will be tall and red-fruited.
  • B
    $50\%$ will be tall and red-fruited.
  • C
    $25\%$ will be tall and red-fruited.
  • D
    All offspring will be tall and red-fruited.

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In Mendel's dihybrid cross,what percentage of the $F_2$ generation possesses the $RrYy$ genotype (in $,\%$)?

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