In a species of Mexican mollies,fish with ragged fins and nonragged fins were found.When mollies of a true-breeding (i.e.,pure-breeding)ragged strain were crossed with nonragged fish,the F₁ all had ragged fins,and in the F₂,three ragged appeared to one nonragged.Diagram this cross,letting R = ragged and r = nonragged,and give parental phenotypes,genotypes,and germ cells,as well as F₂ genotypes and phenotypes.

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The Answer of In a species of Mexican mollies,fish with ragged fins and nonragged fins were found.When mollies of a true-breeding (i.e.,pure-breeding)ragged strain were crossed with nonragged fish,the F₁ all had ragged fins,and in the F₂,three ragged appeared to one nonragged.Diagram this cross,letting R = ragged and r = nonragged,and give parental phenotypes,genotypes,and germ cells,as well as F₂ genotypes and phenotypes.

In a Species of Mexican Mollies,fish with Ragged Fins and Nonragged