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12 November, 07:35

two parents of unknown genotype's are crossed. All of the offspring that are produced are heterozygous round. What are the genotypes of the parents?

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  1. 12 November, 07:55
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    RR x rr

    Explanation:

    To have all heterozygous offspring, both parents must be homozygous so each combination of characters is the same

    RR x rr - > Rr, Rr, Rr, Rr
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