In humans, one type of malignant eye tumor called retinoblastoma is inherited as a dominant allele R....

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Inhumans, one type of malignant eye tumor called retinoblastoma isinherited as a dominant allele R. The normal allele r is recessive.what is the probability of the parents in the following crosseshaving a child with retinoblastoma? draw out each nunnery squareand clearly state the requested probability;
heterozygous parent x normal parent
heterozygous parent x heterozygous parent

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The retinoblastoma gene is a gene that is involved in stopping cells from crossing the G1 checkpoint in the cell cycle preventing cells from entering S phase and replicating their DNA in preparation for cell division For the retinoblastoma gene to be rendered in activeit needs a mutation in both of its copies    See Answer
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